Security Tips and Tricks

The Challenge: Protecting Customers’ Personally Identifiable Information (PII) Businesses today have to ensure that they not only meet their regulatory compliance requirements, but also take reasonable and appropriate measures to protect their customers’ data (including their personally identifiable information). The…

May 3, 2016

The Challenge Tough times call for tough measures. What better way to visualize those measures than through the cyber kill chain? The Cyber Kill Chain is a method developed by Lockheed Martin to gain further insight into what stage a…

April 27, 2016

The Problem Security analysts can’t always dedicate their time to monitoring the security operations center (SOC), nor do they always check the alerts that they receive via email, due to various reasons. Also, some alerts are simply more important than…

April 21, 2016

Here at LogRhythm, we are excited to announce an updated release of our Threat Intelligence Services (TIS). If you’re not familiar with TIS, its easy-to-use utility enables LogRhythm customers to rapidly add and configure a wide array of threat feeds…

April 20, 2016

Posted by: LogRhythm Labs

This blog is co-authored by LogRhythm Labs Incident Response Engineer Nathaniel “Q” Quist and Threat Intelligence Engineer Matt Willems. Ransomware is currently one of the most widespread and highest-publicized threats on the Internet. Over the last few years, we’ve seen…

March 28, 2016

Detecting new and unique attacks requires a different strategy to the traditional prevention-centric model of IT security. The traditional model looks like a coconut. Tough on the outside, soft (or non-existent) on the inside. Organizations are well-trained in deploying firewalls,…

March 18, 2016

The Challenge: Processes Gone Wild It is fairly straightforward to correlate and alert on activity you have a log message for, but what about in the scenario where there’s no log or audit message. How do you detect when someone…

March 14, 2016

Posted by: Matt Willems

In the world of cybersecurity, cyberthreat intelligence (CTI) burst on to the scene in a big way in 2015. Everyone wants useful data and analytical tools for next-gen cybersecurity in order to detect and respond to threats faster. The industry…

March 8, 2016

Internal network traffic in an organization can be as nefarious as an outside hacker trying to gain access to sensitive information. Every organization needs visibility into their network, both internal and external, in order to detect and respond to threats.…

March 7, 2016

Posted by: Andrew Hollister

The Challenge Microsoft Windows PowerShell is a powerful scripting environment. The PowerShell execution polices are provided in order to let you determine the conditions under which scripts may be run. The default option is “Restricted,” which doesn’t allow any scripts…

February 3, 2016

For organizations looking to protect themselves from cyber threats, one question is front and center: Do you choose to use a managed security provider (MSP) or do you dedicate in-house resources? This question is one that must be answered whether…

January 15, 2016

Posted by: Andrew Hollister

In 2014, SANS published a Digital Forensics poster called “Know Abnormal…Find Evil.” This resource delves into the differences between normal and abnormal behavior—and what you might look for or ignore in a digital forensics investigation. The Challenge Using this reference…

January 12, 2016

Posted by: Andrew Hollister

The Challenge Malware authors may attempt to hide their processes “in plain sight” by calling them the same name as some common Windows processes. Very commonly, “svchost.exe” has been used for this purpose. It is difficult to catch this by…

January 8, 2016

According to Wikipedia, unstructured data (or unstructured information) refers to information that either does not have a pre-defined data model or is not organized in a pre-defined manner. Unstructured information is typically text-heavy, but it may also contain data such…

January 6, 2016

Posted by: Andrew Hollister

The Problem How can you find out if a SmartResponse™ plug-in using PowerShell will run on a specific System Monitor Agent host? Also, with what user context will the SmartResponse plug-ins execute? Windows PowerShell execution policies let you determine the…

January 6, 2016

The threat landscape hasn’t really changed, except for a few minor adjustments. We are still seeing nation state threat actors, financial crime groups, hactivism (though that has been receiving less press lately), terrorist organizations and commodity threats (e.g., CryptoLocker). The…

January 4, 2016

As technology advances, the threat landscape is also advancing. With thousands of touch points in any given network, cyber criminals are effectively exploiting weak points on an almost daily basis. Prevention-centric strategies are no longer efficient for organizations, and they…

December 30, 2015

Posted by: Andrew Hollister

##The Challenge Juniper issued an advisory on December 18th indicating that they had discovered unauthorized code in some versions of the ScreenOS software that powers their Netscreen firewalls. The advisory covers two issues: One was a backdoor in the VPN…

December 29, 2015