Tenable blog
How To Reduce DNS Infrastructure Risk To Secure Your Cloud Attack Surface
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. ...
Least Privilege Policy: Automated Analysis Trumps Native AWS Tools
Here’s what you need to know about AWS methods for granting and controlling access, plus native tools for detecting and repairing excessive permissions....
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....
Do Not Take an IP-centric Approach to Attack Surface Mapping
Relying on IP data to identify assets means you're likely missing critical information needed to map your attack surface....
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...
High-Fidelity Attack Surface Mapping
Eliminate blind spots and hinder attackers using these three tips to create a high-fidelity map of your organization’s entire attack surface....
The ABCs of Azure Identity Governance Tools
Discover the main Azure mechanisms for governing identities and providing access permissions....
NetFlow is the Wrong Way to Do Attack Surface Mapping
If your organization relies on NetFlow data for asset management, you're likely overlooking vital information to map your attack surface....