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Ron Gula

Blog Post
Tuesday, August 26, 2014

Privileged users are a fact of life, but they pose an expanding opportunity to adversaries in the new IT landscape. There are two classes of privileged users on your network...

Blog Post
Tuesday, August 5, 2014

L ast week I had my annual physical, with the goal of checking the big things—heart, cholesterol, blood pressure. I also had an ache in my foot that had caused...

Blog Post
Wednesday, March 26, 2014

In the continuing list of NSA disclosures, it was recently revealed that administrators on target networks were hacked through their Facebook accounts. The leaked NSA document actually stated “Who better to target than the person that already has the ‘keys to the kingdom’?” from which we drew the title for this blog.

Blog Post
Monday, February 10, 2014

If you have not heard the news yet, Brian Krebs has reported that the recent Target breach occurred when hackers broke into the network of a company that managed the...

Blog Post
Tuesday, January 28, 2014

I recently had the chance to explain Tenable’s approach to tracking insiders through authentication logs to a new employee. The conversation went something like this: Q: If I handed you...

Blog Post
Wednesday, November 20, 2013

Nessus will generate a finding if the scan target has an Anti-Virus agent deployed with the virus detection rules out of date. We've often received feature requests asking us to allow customers to set a grace period (in days) to avoid generating this alert. Such a preference was added this week under the heading 'Antivirus Software Check':

Blog Post
Tuesday, November 12, 2013

Active scanning, for the most part, is a snapshot-in-time view of vulnerabilities that exist in an organization’s environment. In a typical organization, scans occur on a quarterly or even monthly...

Blog Post
Wednesday, September 18, 2013

The security researchers at Errata Security performed an Internet-wide port 22 scan to gather SSH daemon banner information. The scan happened on September 12th from 71.6.151.167 with a tool named masscan. If you run a SIM, a network IDS or any type of passive network monitoring, this is a really easy and safe "known" to go and see if your monitoring is configured correctly. It is the proverbial “shooting fish in a barrel” example where you can show that your network security monitoring is in fact working.

Blog Post
Tuesday, September 17, 2013

The recent release of SecurityCenter 4.7 allows organizations to combine network monitoring and MDM auditing to discover and audit all mobile devices in use, regardless if they are being managed, only used for email, or are connected directly to the network.

Blog Post
Monday, September 16, 2013

The new PVS 4.0 annual subscription makes network monitoring available to a wide variety of security practitioners. This is a new type of product, and it has many highly-practical use cases. Read about several ways you can get your security work done quicker with PVS 4.0.

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