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Security Concerns For Wearable Devices

by Administrator 14. January 2017 12:34

Wearable devices have provided a tremendous opportunity for business organizations to keep the employees connected to work and improve their efficiency. The use of smart glasses, watches, headgear etc. facilitate better data collection and better customer service abilities. However, just like every other technology, security risks are bound to come along. The extensive functionality served by these devices can sometimes magnify the threat surface, thereby introducing many new ways in which data can be compromised.

Here are some of the common security risks posed by wearable devices:

Lack Of Data Encryption

Wearable devices do not use encryption protocols to store the information securely. There is no sophisticated PIN or password required to gain access to the data. They also do not have any biometric or other authentication methods to validate the identity of the users. As a result, there is a serious risk of data theft if the device is lost or stolen.

Difficulty In Patch Management

Most wearable devices function on a completely different operating system and run several third party applications. Hence, frequent software updates and patches are not readily available for these devices. This makes them an easy target for the hackers to carry out malicious attacks in order to exploit the vulnerabilities and intercept information shared through the wireless networks.

Insecure Wireless Connectivity

In order to function efficiently, wearable devices need to be connected to your mobile device through Wi-Fi, Bluetooth or Near Field Communication (NFC) technologies. However, when you keep the connectivity options enabled, you may inadvertently allow hackers to download malware or malicious programs to your device. They may also launch a brute force attack to breach the password of your device’s wireless network.

Recording Sensitive Information Through Photos, Videos and Audio

Wearable devices come along with a very discreet ability to record the important information about your company in the form of audio, video and images. Smartwatches and smart glasses can easily be used to capture and transmit confidential data to the hackers, without leaving any trace. This type of data breach cannot be prevented by anti-malware, anti-spyware and any other form of security software.

We, at Centex Technologies, can help to improve the IT security of your business firm in Dallas, TX. For more information on protecting the wearable devices at your workplace, feel free to call us at (972) 375 – 9654.

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Types Of Identity Theft Attacks And How To Prevent Them

by Administrator 27. December 2016 10:11

Identity theft is a quite prevalent form of online crime that has become more sophisticated and complex these days. When a hacker gets access to your personal information, such as name, password, social security number (SSN), credit card or bank account details, he can use it for a myriad of malicious purposes. These may include breaching your online banking account, committing online frauds in your name or selling your credentials further.

In order to protect yourself from identity theft, it is important to understand the different ways in which the attack is generally carried out.

  • Keylogging: This type of identity theft involves installing a malware on the target user’s computer system. Whenever the user logs into an online account or carries out financial transactions, the malware records the keystrokes and transmits them to the hacker.
  • Phishing: The hacker may send a fake email to the user or display pop-up advertizements while browsing the internet. The email is spoofed to have come from a credible organization, such as a bank, and requires the user to take an immediate action. This may include downloading a software, visiting a website or filling out an online form.
  • Data Breach: Identity theft may also occur when hacker gains unauthorized access to the sensitive information while it is being shared over the internet, particularly unsecure networks. Packet sniffers may be used to view and steal the user’s financial information. Apart from this, spying, denial-of-service attacks, man-in-the-middle attacks and other such techniques may be used. 

Tips To Prevent Identity Theft

  • Install Security Software: Make sure you install anti-malware, anti-spyware and other security software in your computer as well as mobile devices. These will help to identify and delete the malicious programs or files from the system. You should also enable firewall to monitor and block any suspicious traffic from accessing your network.
  • Follow Proper Security Measures: You should follow the best security practices while accessing the internet, particularly on public Wi-Fi networks. Do not log in to your banking and email accounts or shop online when connected to an unsecure network.
  • Guard Against Phishing Attempts: Do not open or download attachments from emails that come from an unknown sender. Also, you should not share your personal or financial information or click on a link embedded in such emails.

For more tips on protecting yourself against online identity theft, you can contact Centex Technologies at (972) 375 – 9654.

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Fundamental Tips To Keep Your Network Safe

by Administrator 14. December 2016 04:44

IT security is a pre-requisite for successful business operations. The present day online attacks are very sophisticated, hard to detect and can cause serious damage to the computers on your corporate network. Besides malware and virus infection, there are many other security threats, such as Denial of Service (DoS), spyware, ransomware, man-in-the-middle attack etc. Therefore, regardless of the size and type of your organization, it is important to take the necessary network security steps to protect your data from cybercriminals.

Discussed below are a few fundamental tips to keep your network safe:

Delete Unused Accounts

Email or social networking accounts that are not active should be deleted. Since these accounts do not have updated security settings, they are quite easy to be hacked. Make sure you timely review all your official accounts and identify as well as delete the ones that are no longer required. You can either perform this task manually or use a software to remove unused accounts.

Keep VPN Secured

If you use a virtual private network (VPN), you should keep it completely secure to prevent unauthorized access to your company’s internal network. Use the most advanced authentication and encryption protocols to monitor as well as regulate the network’s usage. You can even consider accessing the internet remotely so that your browsing details are not saved.

Be Proactive With System Updates

Cybercriminals are always on the lookout for security flaws in obsolete web browsers, plug-ins, software applications and operating systems that can be exploited for malicious purposes. It is therefore, important to update all the computer systems on your network on a regular basis. Software vendors frequently release patches and updates to fix the bugs as well as improve functionality of the applications. The IT staff should either enable automatic updates or download and install the latest versions from trusted sources.

Secure Your Router

Make sure that you change the default name and password of your router. The default credentials are quite common and can easily be decoded by the hackers. Create a strong and lengthy password as well as a unique username. Also, change the security level from WEP (Wired Equivalent Privacy) to WPA (Wi-Fi Protected Access) or WPA2 so that only the authorized users have access to the corporate network.

We, at Centex Technologies, offer complete network security solutions to business firms in Dallas, TX. For more information, feel free to call us at (972) 375 – 9654.

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Public Vs. Private Cloud

by Administrator 29. November 2016 10:03

The extensive benefits offered by cloud computing has encouraged many businesses to switch to this technology. Scalability, virtualized resources, better data security, streamlined processes and flexible infrastructure costs are some of its advantages that have helped businesses to work in a more efficient manner. However, one of the major decisions is choosing between the deployment of public and private cloud.

Given below are a few factors that need to be considered while deciding the right data hosting solution for your business:

Budget

If you own a small or medium business, you can go for public cloud. It is essentially a pay-as-you-go model in which the customers have to pay according to the resources used on the cloud. Also, you would not have to incur any costs on the management of hardware/software and hiring a dedicated IT staff.
On the other hand, if you have a large enterprise that requires to store a huge amount of data for long time periods, private cloud can be a more cost-effective option. You will have a better control over the customization of storage, networking components, virtual servers, hardware etc.

Security And Compliance

If your business operations do not involve storing and processing sensitive information, public cloud can adequately accommodate your requirements. As the hardware, storage and network devices are hosted by third party providers as well as shared among different users, meeting PCI, HIPAA or SOQ guidelines may not be possible. Private clouds are dedicated to and managed by a single organization. Hence, you can limit external and internal access to important files, implement firewall technologies and apply stringent security policies.

Hardware And Virtual Server Control

With a public cloud, you do not have any control over the hardware and network on which your virtual server will be placed. Only your cloud service provider is authorized to decide on all these aspects. If you need complete control over the technical issues related to the cloud, you should opt for private cloud. You can specify and customize the hardware, storage and network performance according to the requirements of your business.

Reliability

Reliability and operational efficiency can be quite a major concern in case of public cloud. Even if the providers conduct frequent testing procedures, outages are common due to excessive load on the network. This can affect your organization’s ability to function. Private cloud ensures uninterrupted services to the users by transferring to another server if such a situation occurs.

We, at Centex Technologies, provide efficient IT security solutions to the business firms in Dallas, TX. For more information, you can call us at (972) 375 – 9654.

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What Is Malvertizing And How To Protect Yourself?

by Administrator 16. November 2016 14:20

Malvertizing, or malicious advertizing, is a cyber-threat that involves disguising spam code into online advertizements that seem to be legitimate. When a user hovers or clicks on any of these ads, it leads to downloading malicious software that can damage data, steal confidential information or even get complete remote access of the infected computer. Malvertizing attempts to exploit the unpatched software vulnerabilities in a computer without any need to compel the user to visit a malicious website.

How Does Malvertizing Work?

Malvertizements can appear on a website in any of the following ways:

  • Legitimate Ads: The cybercriminal initially places a number of malware free advertizements on a credible website that allows third party ads. Eventually, he may inject a malicious code into the advertizement to infect maximum computers before it is banned or removed.
  • Pop-Ups: Pop-ups can infect a user’s computer the moment the ad appears on the web page. In some cases, the malware may also be installed when the views clicks on ‘X’ to close the pop-up.

How To Protect Against Malvertizing?

  • Disable Auto Play For Plug-ins: When you choose auto play for plug-ins, all Java and Flash elements will automatically run when you visit a web page. As most malvertizing attacks involve the use of malicious plug-ins, make sure you have complete control over the ones that you need to run.
  • Remove Unused Plug-Ins: You should disable or uninstall all the browser plug-ins that you do not use, including Java. This will reduce the probability of a malvertizing attack by limiting the number of vulnerable software that can be exploited by the cybercriminals.
  • Update Your Web Browser: Your web browser should be regularly updated to fix any security flaws. You can enable automatic updates to keep your browser protected against malvertizing attacks. If you have a plug-in installed, make sure they are frequently updated with the latest versions.
  • Stay Informed: You should always be cautious of pop-ups that claim to remove malware or increase the speed of your computer. Do not click on any of these links as they may inject a malicious code or download spam software to your computer. Anti-virus, anti-malware software and browser toolbars should also not be installed through an advertizement or pop-up link. 

We, at Centex Technologies, provide complete cybersecurity solutions to the businesses in Dallas, TX. For more information, you can call us at (972) 375 – 9654.

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Domain Hijacking: Methods And Prevention Tips

by Administrator 28. October 2016 11:39

Domain hijacking or theft, can be defined as a security breach in which the hacker steals the target organization’s domain name and transfers its ownership to himself. Once successful, the hacker gains access to the control panel from where he points the domain name to another web server. Thus, whenever a user visits the website, he gets redirected to the hacker’s website. In most instances, the attack is carried out by falsifying a domain transfer authorization code or by using phishing techniques.

Given below are a few common methods that the hackers use for domain hijacking:

Spear Phishing

This is one of the easiest ways to steal the login details of the target website’s admin account. The hacker may send a fake email, claiming be to be from a genuine source, to extract information. The email may also contain a link that redirects the user to a phishing website that looks similar to the original one. When the user logs in to the admin account, the credentials are recorded by the hacker.

Domain Registrar Vulnerabilities

The hacker may also look for unidentified vulnerabilities in the domain name registration system. For instance, in the absence of any restriction on the number of invalid login attempts, the hacker may initiate a brute force attack. Through this, he may employ the trial and error method to use multiple password combinations till the login is successful.

Web Server Vulnerabilities

Security flaws in the target organization’s web server can also be exploited to gain access to the website admin account credentials. In the absence of proper security measures, there are high chances that vulnerabilities in the hosting server provide a backdoor for the hacker to gain access to your website.

Tips To Prevent Domain Hijacking

  • Use Two Factor Authentication: Many domain registrars provide an additional security layer to the users by allowing two factor authentication. With this, each time you log in to the admin account, you will have to enter your user name and password, along with a numeric code sent through a text message.
  • Request DNSSEC From Your Domain Registrar: Domain Name System Security Extensions (DNSSEC) is a technology that can prevent a domain hijacking attack. It allows the website admin to monitor traffic and use digital signatures to verify the legitimacy of the DNS responses.
  • Change Default Password: Make sure you change the default password of your admin account. If you retain the same login credentials provided by your registrar, your domain security may be at risk.

For more information about domain hijacking, contact Centex Technologies at (972) 375 – 9654.

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Common Mobile Security Myths

by Administrator 13. October 2016 20:07

Mobile security is one of the top priorities for business organizations. With the increasing adoption of Bring Your Own Device (BYOD) culture, it becomes even more important that employees are familiar with the best security practices to safeguard the information they access or share through their device. However, there are many misconceptions when it comes to mobile security, which ultimately makes your corporate data vulnerable to hacking.

Given below are some of the common mobile security myths and why they need to be addressed cautiously:

iPhones are safe from viruses

It is a common fallacy that Apple devices are completely protected against viruses and malware but this is not completely true. Though Apple’s stringent policies minimize the threat to some extent, there is still need for proper security measures to ensure safety of your device. Malicious websites, spam links, fake websites and malware ridden email attachments pose a serious threat to your data.

It is safe to connect Wi-Fi if sensitive data is not accessed

Mobile users are familiar with the fact that conducting financial transactions and logging into personal accounts through open Wi-Fi networks is not safe. However, even if you are not accessing any sensitive information, connecting to an unsecure Wi-Fi hotspot can jeopardize your online security. Hackers may use packet sniffers to steal or modify the information you share. They may also infect your device with a malware and record keystrokes to collect your usernames as well as passwords, which may lead to identity theft.

Mobile apps from reliable vendors are safe

Renowned developers conduct extensive testing to ensure that the apps they release are secure and bug free. However, there are many fake and malicious versions of the popular applications available on the app stores. You should know which apps you should download and from where. The best way to check this is to read reviews posted by users who have already downloaded the app. You should also be careful while allowing any app to access your personal information.

Text messages are completely secure

In reality, text messages are one of the major vectors of malware to mobile devices. Hackers use phishing techniques by sending messages that claim to be from a bank or other legitimate source to extract sensitive information from the target user. SMSs may also contain links to a fake website that may download a malware to your mobile device.

Centex Technologies, a leading IT company in Dallas, TX, can help you improve mobile security practices in your organization. For more information, you can call us at (972) 375 – 9654.

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Pros And Cons Of A Virtual Private Network

by Administrator 29. September 2016 10:49

Since inception of Virtual Private Network (VPN), the technology is widely used in business firms to provide a secure and convenient way to connect distant employees and remote offices. VPN makes it easy for the users to share files, folders and other important data over the internet, without any form of protocols or permissions required.

If you are planning to use virtual private network for your business, given below are some of the pros and cons that you should consider:

Security

  • Pro: VPN offers a high level of security while accessing the internet. It uses advanced authentication and encryption protocols to safeguard your data from unauthorized access by the hackers.
  • Con: Deployment of a VPN technology can be quite complex for any business. You need to hire a dedicated IT staff who has complete knowledge of VPN configuration, network or security issues that may arise and the best way to deal with them.

Scalability

  • Pro: Virtual private networks are quite scalable when it comes to accommodating the growing demands of a company. As your business expands and opens offices in multiple locations, you do not need separate lines to connect all of them. You simply need to connect to the already configured VPN to access the corporate network.
  • Con: If you need to add infrastructure to the VPN, it may lead to certain technical issues, particularly if you switch to another service provider. Combining VPN products from two different vendors may cause problems in compatibility while using equipment from the same provider may increase your expenses.

Remote Connectivity

  • Pro: Virtual private networks allow employees and business partners to communicate easily over the internet, irrespective of their geographical location. Expenses related to international calling and long distance communication can be considerably reduced.
  • Con: The use of improperly configured internet networks and unsecure devices to connect to the VPN can compromise security of all the connected computer systems. Employees may also connect through wireless hotspots which increases the risk for a potential data breach.

Despite these pros and cons, VPN offers the most viable solution for remote users to communicate securely. However, businesses need to focus on addressing the minor glitches in order to capitalize on this technology.

If you are planning to configure VPN in your company’s internal network, Centex Technologies can provide complete IT support. For more information, you can call us at (972) 375 – 9654.

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Security Rules For Public Wi-Fi Users

by Administrator 14. September 2016 15:45

Wi-Fi hotspots in airports, hotels, coffee shops, subways etc. may seem to be a convenient way to access the internet but these networks are not configured properly to safeguard your personal and financial information. Often, you do not even need a password to connect to these public networks, which makes them likely to be used by cybercriminals as well. Any information you send or receive through these networks may be altered, accessed or pilfered without your knowledge.

You should avoid using public Wi-Fi networks in the first place but in case it is absolutely necessary to do so, here are some security rules that should be followed:

Turn Off Sharing

When you are using a public network, make sure you disable sharing of files, printers and music library. This will prevent other users on the same network from accessing your personal information, particularly if it are not password protected. You should also turn off network discovery, so that your computer is not included in the list of connected devices, minimizing the risk of a potential attack.

Enable Firewall

Turn on your operating system’s firewall to prevent unauthorized access to your computer. Many windows devices automatically enable firewall during initial setup. However, you must check your computer’s settings to ensure that the firewall is turned on.

Look For Secure Browser Extensions

Many websites transmit information in plain text over the network you are connected to. This allows the hackers to easily steal the information and use it for malicious purposes. When you use websites that start with ‘HTTPS’, it means that all the data between your computer and the web server is end-to-end encrypted. Thus, even if a data breach occurs, the information will be of no use to the hacker unless he has the decryption key.

Use A Virtual Private Network

To increase your security on public Wi-Fi networks, you can consider using a virtual private network (VPN). It will encrypt your network connection and hide your IP address so that you can access the internet anonymously. By using a VPN, you can have the security of a private network, while protecting all your sensitive information from online attacks. You can also enable private browsing or incognito mode so that your browsing details are not stored on the network.

For more information on public Wi-Fi security, feel free to contact Centex Technologies. We can be reached at (972) 375 – 9654.

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Cyber Security Do's And Don'ts For Dallas Businesses

by Administrator 26. August 2016 09:32

With the increased dependency on computers, smartphones and tablets, cyber security has gained considerable importance for business firms in Dallas, TX. Hackers are continually using viruses, spyware, phishing, malvertizing and other attack vectors to gain access to an organization’s sensitive information. Though implementing a cyber security policy is important, employees should also be proactive and comply with the company’s risk management strategy.

Listed below are some cyber security do’s and don’ts that need to be followed:

Do’s

  • Follow Good Password Practices: Make sure you create strong and hard-to-guess passwords for all your official accounts. It should be of 6 to 10 characters comprising a combination of alphabets, numbers and symbols. Create different passwords for all your official accounts and do not share them with anyone.
  • Stay Vigilant Against Phishing Scams: Do not open emails or download attachments you receive from unknown senders. Hackers often send spam emails, claiming to be from a legitimate source, with an aim of tricking users to execute a file or visit a fake URL. If you receive any such email, you must delete it and inform the IT division of your organization.
  • Protect Your Information: Keep all the important data and files protected with regular backup on an external hard drive. Personal, financial as well as other sensitive information should be stored in an encrypted format. Thus, even in the event of a data breach, the hackers will not be able to decode the information.

Don’ts    

  • Leave Your Computer Unlocked: You should lock your computer system whenever you leave your seat. This is important to make sure your files and email accounts are protected against unauthorized access.
  • Download Unnecessary Software: Avoid downloading and installing unrequired software on your computer, particularly from third party sources. These may contain a malicious code to infect your system and can steal, modify or delete confidential information. Always download software that is licensed and released by legitimate vendors.
  • Plug In Portable Devices: Do not plug in any removable media, such as hard disk, CD or pen drive, without the permission of the IT department. These devices may contain malware and infect your computer system upon connecting. Make sure you run a thorough scan to detect and remove any virus in these devices.

We, at Centex Technologies, provide cyber security solutions to business firms across Dallas, TX. For more information, feel free to call us at (972) 375 – 9654.

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