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by Administrator 26. May 2017 10:19

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Network Monitoring Best Practices

by Administrator 9. May 2017 05:30

Continuous network monitoring is one of the core elements of maintaining a secure and efficient IT infrastructure within an organization. As network systems have evolved over the past few years, it is essential to manage the configuration of all the network devices, servers and services to ensure timely detection as well as removal of the potential threats.

Given below are some of the tips for implementing a successful network monitoring strategy:

Note the baseline network performance

In order to identify any problems in the network infrastructure, it is important that you have an idea about its normal performance. Documenting network functionality over a period of time can help you to set accurate thresholds and receive alerts when the network is not performing up to the mark. Base-lining also facilitates proactive troubleshooting and prevention of downtime before it causes problems to the users.

Inventory management

You need to have an in-depth understanding of the IP devices, routers, switches and servers that make up your network. Make a detailed inventory of all the items you need to manage and add them in your network monitoring software. Categorize all devices on the basis of usage, vendor, location, data center and other parameters. Create a map and form connections between the system so that it represents your network architecture. This will give you a visual idea about how the inventory should be maintained.  

Monitor and report at every level

Every element in diverse corporate network operates on a separate layer to contribute to its overall functionality. In the event of a system failure, it is critical to identify the layer at which the data connection has been interrupted. Therefore, your network monitoring system should focus on observing and reporting problems at all layers. This will make it easy for you to detect if the issue has been caused due to malfunctioning of hardware, router, bandwidth or any other component.

Prepare for network expansion

With the expansion of your organization, your network also needs to evolve and incorporate new technological upgrades. This, in turn, will also increase the number of devices, network bandwidth and storage space required. Therefore, make sure you choose a scalable monitoring system that allows you to include more devices and interfaces as and when they are added to the network.

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

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Tips For Successful Penetration Testing

by Administrator 29. April 2017 09:04

Penetration testing is an important step while evaluating the security of a corporate network. It involves simulating a hacking attack on the network with an aim to breach its security and gain access to the confidential data. This helps IT professionals to determine the potential vulnerabilities that can be exploited by the hackers and how they can be fixed. However, carrying out an efficient penetration testing requires a lot of research and in-depth technical knowledge.

Given below are some steps that need to be followed for successful penetration testing:

Perform A Thorough Analysis

Firstly, you should have a clear idea about all the physical and intellectual assets of your company that you want to protect. Assess your network inside-out to determine the elements that are more susceptible to an attack and can severely hamper the functioning of your organization. Also, review your security policies to ensure that the penetration testing team is not able to get into the network.

Conduct A Pilot Study

Before initiating the penetration testing process, consider performing a pilot study on a small portion of the organization’s resources. This will help to identify the type of problems being faced and if any additional training or knowledge is required to deal with them. A pilot study will also allow the team to plan and structure the large scale penetration testing.

Choose A Penetration Testing Method

The next step is to select the most suitable method for conducting the penetration testing. Typically, you can choose from black box or white box tests. The former one involves initiating the attack without any prior knowledge of the company’s security systems and unpatched vulnerabilities. In a white box test, on the other hand, the tester has access to the sensitive information, such as network diagrams, IP addresses, source code etc.

Determine Who Will Perform The Test

This involves creating a strategy for the test. Determine who will perform the penetration test, an in-house team or an outsourced one. If the test involves the use of social engineering techniques, decide on the type of email that will be formulated and which employees will be the targeted. Create an information security incident response team who will stay updated with the penetration testing and ensure objectivity of the results.

For more tips on conducting successful penetration testing, you can contact Centex Technologies at (972) 375 – 9654.

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Local SEO Tips

by Administrator 27. April 2017 07:54

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NAS Vs. SAN – How To Build Your Network?

by Administrator 17. April 2017 17:39

Choosing the right storage solution for your company’s data can sometimes be a complex decision. It is important that you gain a deep insight into all the options available to determine the one that will be most suitable for your virtual environment. The technology will depend upon the following factors:

  • The type of data you want to store
  • Your budget
  • Usage pattern
  • Scaling concerns

Discussed below are the two main types of data storage, Network Attached Storage and Storage Area Network.

Network Attached Storage (NAS)

NAS involves the use of TCP/IP protocol, such as Ethernet, to connect to the network. An external device is attached to the web servers through a LAN or WAN. NAS devices usually run on a built-in operating system and management interface. Employees can easily access the files stored on the NAS just as they are on a local hard disc.

Benefits

  • Installation of NAS devices is very easy and does not require much time. In case you are in an urgent need for additional storage, NAS is your best option.
  • As file serving and storage is not handled by the web server, it reduces downtime to a great extent.
  • The NAS system is quite flexible and can work efficiently in organizations that work with different operating systems.
  • The low capital investment makes it a good choice for small to medium sized businesses.

Limitations

  • The scope of NAS devices is limited. They are only suitable for sharing files over the network.
  • The performance of NAS devices depends a lot on the network quality. Therefore, you need to get extended bandwidth while deploying a NAS solution.

Storage Area Network (SAN)

SAN is a more complex technology that connects to the network through a fiber channel or SCSI (Small Computer System Interface) protocol. The files are managed centrally and can be shared between multiple computer systems.

Benefits

  • SAN offers a high level of scalability. You can add as many storage drives you need to keep your data secure.
  • It is a suitable option if you require reliable storage solution to handle large volumes of data.
  • SAN system allows multiples users to access the files seamlessly, without any slowdown or downtime.

Limitations

  • The requirement of specialized equipment increases the upfront cost of installing a SAN system.
  • There is an increased risk of data corruption if several host machines connect to the same SAN device.

For more tips on choosing the right network storage solution for your organization, feel free to contact Centex Technologies at (972) 375 – 9654.

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Instagram Marketing Tips

by Administrator 27. March 2017 10:57

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Ways To Secure Your Network Infrastructure

by Administrator 21. March 2017 13:24

Maintaining a secure network infrastructure is one of the major challenges faced by IT security professionals. All the hardware and software components are critical for seamless connectivity, communication, operations and management of the network. However, the rise of Bring Your Own Device (BYOD) culture and cloud computing resources has made it even more important to protect your company’s information as well as assets.

Given below are some of the tips that can help to secure your network infrastructure:

Understand your network design

First and foremost, you need to understand how the network infrastructure at your organization functions. Gain knowledge about the devices that are connected to the network and the points through which data is transmitted between them. 

Review all the applications

The applications and programs installed on your organization’s computer systems can provide a backdoor for the hackers to gain unauthorized access. Undetected malware, viruses and Trojans can make the entire corporate network vulnerable to various hacking attacks. Hence, it is essential to constantly review all your applications and software programs to ensure that they are completely secured.

Build a security culture

Provide proper IT security training to your employees and set clear guidelines regarding safe usage of the infrastructure. Make them familiar with the common online threats and what should be done to stay protected. This will create a strong security culture and help employees understand their responsibilities towards protecting the company’s resources.

Use secure socket layer

A secure socket layer (SSL) can add a layer of protection to your network infrastructure. It encrypts all the information while it is being transmitted between a user and the web browser. This ensures that the information being shared within your corporate network is not read, manipulated or used by any unauthorized individual.

Avoid adding complexity to your network infrastructure

Unless it is absolutely necessary for the optimal functioning of your organization, do not complicate your network infrastructure. Adding superfluous devices, servers, wireless endpoints etc. increases the chances of your network getting compromised. In case you need to add a network service, ensure that it is properly secured. This, way, even in the event of a breach, the functioning of your entire network will not be jeopardized. 

For more tips on securing your network infrastructure, feel free to contact Centex Technologies at (972) 375 – 9654.

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Common Causes Of SaaS Data Loss And How To Prevent Them

by Administrator 13. March 2017 18:25

Software as a Service (SaaS) cloud storage solutions have offered numerous benefits for the business owners. By simplifying access to technological resources, reducing delivery times to clients and giving employees the freedom to work from anywhere, cloud applications play a major role in increasing business productivity. However, with all critical information stored off-premise, data loss remains a constant concern.

Here are some of the common causes of SaaS data loss:

  • User Deletion: This is one of the biggest reasons of data loss in the cloud. The registered users may accidentally overwrite a shared file or delete a scrapped document, just to realize later that the data was important.
  • Phishing And Hacking Attacks: Cyber criminals may launch a hacking or phishing attack to gain unauthorized access to data stored in the cloud. By tricking the users to click on a spam link or download a file, the hackers may be successful in stealing their cloud login credentials and manipulating the data stored therein.
  • Data Corruption: At times, the data center of the SaaS cloud provider may be unable to retrieve the stored data. Without proper backup solution, important information may become inaccessible or corrupted.
  • Third Party Applications: Using a third party application can put SaaS data at risk. These apps may contain viruses that overwrite or delete the information stored in the cloud. There are higher chances of data loss if emails, documents, contacts etc. are stored in multiple devices.
  • Closed Accounts: Considering the employee turnover in a company, the SaaS accounts may also be closed or deleted. This may lead to the loss of important data stored by the former employee.

Tips To Prevent SaaS Data Loss

  • Identify Important Information: Firstly, you need to identify the sensitive information stored on all the computers connected to the cloud. The data may include client names, personal details of employees, salary information, credit card information, social security numbers etc.
  • Prevent Document Sharing: You should implement strict policies that prevent accidental or intentional sharing of files outside the organization. Restrict access to the sensitive information and block file transmission to email addresses that do not have your company’s domain.
  • Backup Your Data: There are many cloud backup applications that allow you to store a secure and easily retrievable copy of your data. The information is stored in an encrypted form and can be accessed only by the authorized users.

For more tips on preventing SaaS data loss, you can contact Centex Technologies at (972) 375 – 9654.

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Content Marketing Trends In 2017

by Administrator 27. February 2017 12:33

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ImageGate: Ransomware That Spreads Through Social Networks

by Administrator 22. February 2017 06:19

ImageGate is a recent form of ransomware that attempts to spread malware through images and graphic files on social media websites. It has been discovered by two security researchers at Check Point Software Technologies Ltd., Roman Ziskin and Dikla Barda. The ransomware works in the same way as Locky virus that automatically encrypts the victim’s files and demands a ransom in order to reveal the decryption key.

Considering the massive increase in the use of social media platforms, such as Facebook and LinkedIn, hackers are directing their focus on breaching the security of these websites. They are continually looking for ways to use these platforms as hosts to carry out their malicious activities.

How Does ImageGate Work?

According to the security researchers, ImageGate works by embedding malicious code into the image files and posting them on ‘white listed’ social media websites. The targeted image files usually have extensions other than ‘.jpg’ or ‘.jpeg’. The malware aims at manipulating the misconfigurations in the social media platforms to purposely compel the users to click on the image. Once the file has been downloaded and the user clicks to open it, all the files on the computer system are encrypted. In order to regain access to the locked files, the user is required to pay the hackers a certain amount as ransom in bitcoins.

Tips To Protect Against ImageGate Ransomware

  • Make sure you do not click on any unidentified file downloaded to your computer system.
  • If a file gets forcibly downloaded, do not open or execute it. You should carefully delete the file so that the ransomware is not able to infect the files stored on the device.
  • You should avoid clicking and downloading images as well as graphic files from social media websites.
  • Do not open image files that have unknown file extensions, particularly ‘.svg’, ‘.hta’ and ‘.js’.
  • The anti-virus and anti-malware software on your computer should be regularly updated to stay protected against latest forms of ransomware.
  • It is recommended to be vigilant while accessing your social networking accounts. Even a single malicious download can make you lose access to your device and all the files stored within it.

Centex Technologies provides complete cyber security solutions to the business organizations in Dallas, TX. For more information on ImageGate and other forms of malware, feel free to contact us at (972) 375 – 9654.

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