Tenable-Blog
Microsoft’s December 2025 Patch Tuesday Addresses 56 CVEs (CVE-2025-62221)
Event Analysis Training – “Could you look at some odd IRC Connections?”
<p>At one of the research sites that we monitor, an analyst noted that a few servers were consistently making a large number of IRC connections. These connections occurred in a periodic manner and appeared to be automated. This blog entry describes the various steps taken in analyzing the…
Auditing PHP Settings to OWASP Recommendations with Nessus
<p>Tenable recently released an audit policy for Linux servers running PHP which tests for hardening recommendations from the Open Web Application Security Project (<a href="http://www.owasp.org/index.php/Main_Page">OWASP</a>). OWASP maintains a set of guidelines for hardening web servers, with…
ShmooCon 2009 - Playing Poker for Charity
Tenable sponsored a booth at this year's ShmooCon and ran a Texas Hold'em table to help raise money for the Hackers for Charity organization. We raised close to $400 from conference attendees and scheduled "guest" players such as Paul Asadoorian from PaulDot.Com, Simple Nomad from…
DOJOSEC - Compliance Presentation
The next DOJOSEC is this week. I've been invited to speak about the latest compliance trends in PCI and FDCC. Also presenting will be Shaf Ramsey of TechGaurd Security and Dale Beauchamp of the Transportation Security Administration. Mr. Ramsey will discuss the future of virtual worlds such as…
Marcus Ranum PaulDotCom Interview on Penetration Testing
Tenable's CSO, Marcus Ranum, was recently interviewed on the PaulDotCom Security Weekly podcast. They discussed a wide range of topics regarding penetration testing, secure coding, Marcus's "6 Dumbest Ideas" in computer security and much more.Full PaulDotCom show notes.Direct link to the show's MP3…
PCI Executive Roundtables in New York and Atlanta
Tenable Network Security has partnered with IANS to sponsor two executive level PCI discussions in New York City and Atlanta. Both events are this week, and we have limited seating available for corporations who are facing the challenges of being and demonstrating PCI compliance. Questions to be…
Nessus turns 10 !
Ten years ago today, I announced the initial public release of Nessus on the bugtraq mailing list. The initial version would run only on Linux and was bundled with 50 plugins (vulnerability checks) written in C. At that time I was 18 and I had no idea I would still work on it years later (or that…
Being the Caveman - Tenable Style
After reading Richard Bejtlich's "Be the Caveman" blog post about the convicted hacker Robert Moore, I felt it would be interesting to show how unifying vulnerability monitoring, configuration auditing, passive network discovery and log analysis helps organizations detect intruders. This…
Using Nessus Configuration Audits To Test FDCC Compliance
Tenable has recently announced FDCC audit policies for Nessus ProfessionalFeed and Security Center users. These policies help government organizations test Windows XP Pro and Vista desktops against OMB's required configuration settings. This blog entry describes how this testing can be performed…
Contact our sales team