by Ron Gula on June 30, 2008
Tracking the hardware network address of Ethernet devices can be a daunting task for an enterprise network operations group. The ability to track Ethernet (or MAC) addresses can have tremendous value for tracking changes to the network, user activity and access control. This situation can be exacerbated in a dynamic IP address environment.
by Ron Gula on June 26, 2008
Tenable Network Security has released PatchDiff2 for the IDA disassembler. PatchDiff2 can be used to compare the differences in patches provided by vendors in order to understand what has been modified and where previous security holes existed. In some cases, such as the recent MS08-030 release and re-release for Windows XP, a tool like PatchDiff2 can show that a patch update didn't actually modify anything.
by Ron Gula on June 18, 2008
Episode #66 of IT Radio's Risky Business is now online. This installment features a discussion of smart phone security, wireless complacency issues, forensics for mobile devices and a discussion of this week's information security news stories. Tenable's Chief Security Officer, Marcus Ranum, is also interviewed regarding the effectiveness (or lack thereof) of penetration testing. including some of the negative impact it can have on employee morale.
by Ron Gula on June 12, 2008
Digital Bond has recently announced control system configuration audit policies that are being developed for the Nessus vulnerability scanner. These policies can be used to audit operating systems running a variety of control system applications and components. The initial list includes:
by Ron Gula on June 10, 2008
Many SIM, NIDS and NBAD solutions have some sort of "blacklist" functionality which highlights when systems on your network interact with IP addresses that have been identified as being associated with scanning, virus propogation, SPAM originators and so on. These solutions typically take one or more lists of potentially "bad" IP addresses and then scour your netflow, IDS, firewall or other types of logs and to see if there are any correlations. This blog entry will focus on how these types of events can be analyzed.
by Ron Gula on May 30, 2008
Tenable Network Security has released version 3.2.1 of the Nessus vulnerability scanner. This point release includes a variety of small bug fixes as well as a new report filtering interface for the Nessus client. This blog entry will discuss the new Nessus features, bug fixes and reporting filters for the Nessus Client.
Nessus Release Notes
New features
by Ron Gula on May 29, 2008
I recently got invited to contribute to a new b
by Ron Gula on May 23, 2008
by Ron Gula on May 16, 2008
Nessus has several new features for auditing systems via Secure Shell and coincidentally, there was a major vulnerability announced this week regarding OpenSSH servers whose public keys are trivially guessable. This blog entry discusses these new features and SSH audits.
Full "su" and "sudo" Support
by Ron Gula on May 14, 2008
Tenable Network Security Inc. today announced an update to its Nessus subscription model that will benefit home users and qualifying charities around the world. We've posted a letter and a FAQ about the changes at nessus.org.
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Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.
Your Tenable Vulnerability Management trial also includes Tenable Web App Scanning.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy.
Your Tenable Vulnerability Management trial also includes Tenable Web App Scanning.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.
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Your Tenable Web App Scanning trial also includes Tenable Vulnerability Management.
Enjoy full access to a modern, cloud-based vulnerability management platform that enables you to see and track all of your assets with unmatched accuracy. Purchase your annual subscription today.
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