About Ted Gruenloh

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So far Ted Gruenloh has created 5 blog entries.

Inbound Exploits Are Still A Thing

In a year chock full of juicy network security headlines, two of the biggest so far have been WannaCry and the Equifax breach. Here’s a quick refresher: WannaCry broke out in May (fizzling shortly thereafter), taking advantage of a known vulnerability in the SMB protocol and utilizing an exploit attributed to a group linked to the NSA (the Equation Group) via tools posted by a different group with ties to Russia (the Shadow Brokers). So much intrigue … You [...]

By | 2017-10-17T08:39:13+00:00 October 16th, 2017|Network Security|Comments Off on Inbound Exploits Are Still A Thing

The CINS Army List Is Changing Today

Since 2012 (before Threat Intelligence was cool) we've published a public list of malicious IP addresses for the community. It goes by many names: CINS Army, CI Army, CINS ... In any case, over 10,000 users (these days those 'users' are automated tools, scripts, and open source projects) now download the list regularly, for use in their firewalls, IPSes, SEIMs, and other network security tools. And today, the list is getting a bit of a facelift. Up until today, [...]

By | 2017-10-17T08:39:44+00:00 September 26th, 2017|Network Security|Comments Off on The CINS Army List Is Changing Today

Apache Struts Vulnerabilities Are Nothing New

With news breaking on the use of an Apache Struts vulnerability in the recent Equifax breach, we thought we'd shed some light on Struts exploits from our perspective. First and foremost: Our customers should know that no Sentinel appliances or servers within the Sentinel infrastructure are affected by these vulnerabilities. And, more importantly, our customers' networks have been protected against these Struts exploits since they were made public. Struts vulnerabilities are nothing new - we've been witnessing Struts-related exploits [...]

By | 2017-10-17T08:40:09+00:00 September 14th, 2017|Network Security|Comments Off on Apache Struts Vulnerabilities Are Nothing New

WannaCry Ransomware Attacks Over Mother’s Day Weekend

By now, I’m sure you’re aware of the WannaCry ransomware strain (also known as WanaCrypt0r and Wcry), which broke out over this past weekend. It is currently distributed via a Windows operating system vulnerability in the SMB protocol, and has infected networks in 150 countries worldwide. A lot has happened in a short amount of time, so we want to make sure you have the most current information and a better understanding of how to protect your network. Here [...]

By | 2017-10-17T08:41:38+00:00 May 15th, 2017|Network Security|Comments Off on WannaCry Ransomware Attacks Over Mother’s Day Weekend

Infographic: Security Mindsets to Adopt Today

In today’s world, the landscape of network security is constantly evolving. High profile security breaches and vulnerabilities (think Ashley Madison, Target, and Heartbleed) have prompted increased awareness of cybersecurity, spurring on the continued advancement of emerging technologies. But even the creation of updated devices and highly technical tools hasn’t stopped new breaches from happening. The reality is that if a cybercriminal is determined to get into your network, steal data or disrupt performance, one tool isn’t going to stop them. [...]

By | 2017-10-12T07:43:07+00:00 September 15th, 2015|Uncategorized|Comments Off on Infographic: Security Mindsets to Adopt Today