Threat Research
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Identity Attack Watch: February 2022
- Semperis Research Team
Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…
SPN-jacking: An Edge Case in WriteSPN Abuse
- Elad Shamir
Some people are a hammer in search of a nail, but I'm a hammer in search of Kerberos delegation. So, when I heard that a WriteSPN edge was introduced to BloodHound 4.1, I started exploring alternative abuse techniques beyond targeted Kerberoasting, and I found an edge case (pun intended) that…
Identity Attack Watch: January 2022
- Semperis Research Team
Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…
EMA Report: Unknown Vulnerabilities Emerge as Top Active Directory Security Concern
- Michele Crockett
Unknown vulnerabilities are the top Active Directory security concern of IT security practitioners, according to a new report from Enterprise Management Associates (EMA). Known but unaddressed AD vulnerabilities fall closely behind. Most concerning risks to overall security posture cited by survey respondents were: Native Microsoft security flaws Social engineering attacks,…
Identity Attack Watch: December 2021
- Semperis Research Team
Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…
Identity Attack Watch: November 2021
- Semperis Research Team
Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…
Identity Attack Watch: October 2021
- Semperis Research Team
Cyberattacks targeting Active Directory are on the upswing, putting pressure on AD, identity, and security teams to monitor the constantly shifting AD-focused threat landscape. To help IT pros better understand and guard against attacks involving AD, the Semperis Research Team offers this monthly roundup of recent cyberattacks that used AD…
How Attackers Can Use Active Directory Primary Group Membership for Defense Evasion
- Yuval Gordon
Identity systems—particularly Active Directory, which is the primary identity store for most businesses—are constantly under attack by cybercriminals because they are the gateway to an organization’s critical information systems, including valuable customer data. Here we'll explore a little-known Discretionary Access Control List (DACL) tactic that attackers can use to hide…
