How to Talk to the Board About Zero Trust
Framing zero trust as a cybersecurity strategy for reducing business risk is a surefire way to get your executive leadership to take notice. It's no secret that CISOs and other cybersecurity leaders struggle to communicate with executive management and boards of directors in a language they can und...
How to Establish Cyber Resilience with Policy as Code
When it comes to cloud native architecture, the one constant we can count on is change. Complex systems need a comprehensive, proactive security approach, and that is where Policy as Code (PaC) comes into play. Policy as Code takes the policies that are most important to your organization, codifi...
Unpacking the U.S. National Security Memorandum on Improving Cybersecurity for Critical Infrastructure
Recent activity from the Biden Administration represents a watershed moment in the establishment of baseline standards for preparing, mitigating and responding to attacks that impact the critical infrastructure we all rely on. On July 28, the Biden Administration issued the National Security Memora...
How Risk-based Vulnerability Management Can Help Address the Most Commonly Exploited Vulnerabilities Today
Tenable's analysis of the 29 vulnerabilities highlighted in a recent CISA alert reveals key differences between CVSS and our Vulnerability Priority Rating.Attackers continue to exploit known and prevalent vulnerabilities. Last year, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) an...
Focus on the Fundamentals: 6 Steps to Defend Against Ransomware
Ransomware is the monetization of poor cyber hygiene. Here are 6 steps you can take to improve your security defenses. Ransomware attacks have become a boardroom issue for nearly every organization. In 2020 alone, there were more than 300 million ransomware attacks recorded, an increase of more t...
False Negatives in Attack Surface Mapping
Attack surface mapping tools can miss assets for a wide variety of reasons. Here we list 15 such scenarios, including a broken DNS server, the use of round-robin DNS and ephemeral infrastructure....
A Powerful Tenable.asm Feature: HTML Search
Find out why Tenable.asm’s HTML search capability is so practical and powerful, as it offers nearly infinite flexibility to build whatever search you need to and report on it expeditiously....
Zero Days Do Not Wait for CVEs
Learn why an attack surface map can provide invaluable and unique help in detecting zero day vulnerabilities....
The Right Way to do Attack Surface Mapping
The key to mapping out your attack surface accurately is to scan all of your organization's assets, develop an asset inventory list and find shadow IT. ...
Passive DNS Is the Wrong Way To Do Attack Surface Mapping
When identifying a corporate attack surface, passive DNS can be useful but it won’t be comprehensive by itself, so it should be part of a more holistic program....
Primary Group ID Attack in Active Directory: How to Defend Against Related Threats
The Primary Group ID in Active Directory, created to help manage access to sensitive resources, has become a critical vulnerability that attackers can exploit to escalate privileges without leaving a trace.The Primary Group ID in Active Directory was originally developed to support the UNIX POSIX mo...
How to Stop the Kerberos Pre-Authentication Attack in Active Directory
Here’s a look at how to safeguard your Active Directory from the known roasting attack on Kerberos Pre-Authentication.As part of the Kerberos authentication process in Active Directory, there is an initial request to authenticate without a password. This is an artifact left over from Kerberos versio...