Security Identifier (SID) History injection is a sophisticated cyberattack vector that targets Windows Active Directory environments. This attack exploits the SID History attribute, which is intended to maintain user access rights during migrations from one domain to another. By injecting malicious SID values into this attribute, an attacker can escalate…
As cyberattacks targeting Active Directory continue to rise, AD security, identity, and IT teams face mounting pressure to monitor the evolving AD-focused threat landscape. To assist IT professionals in comprehending and preventing attacks that involve AD, the Semperis Research Team publishes a monthly roundup of recent cyberattacks and provides additional…
Many cyberattacks go undetected until the damage is done, despite organizations’ efforts to prevent them. And many successful identity attacks use the same tried-and-true techniques that have worked for years, such as password spray and brute force attacks. Microsoft estimates that password spray attacks are responsible for more than a third…
As cyberattacks targeting Active Directory continue to rise, AD security, identity, and IT teams face mounting pressure to monitor the evolving AD-focused threat landscape. To assist IT professionals in comprehending and preventing attacks that involve AD, the Semperis Research Team publishes a monthly roundup of recent cyberattacks. In this month’s…
LDAP injection represents a formidable cyberattack vector, targeting the authentication and authorization mechanisms within your Active Directory environment. By exploiting improper input validation, attackers can manipulate LDAP statements and potentially gain unauthorized access to your directory service. Semperis cybersecurity and identity security experts have a deep understanding of LDAP injection,…
As cyberattacks targeting Active Directory continue to rise, AD security, identity, and IT teams face mounting pressure to monitor the evolving AD-focused threat landscape. To assist IT professionals in comprehending and preventing attacks that involve AD, the Semperis Research Team publishes a monthly roundup of recent cyberattacks. In this month’s…
[Updated February 21, 2024; originally published December 14, 2017] Active Directory is the most critical identity system for most enterprises. The problem is that in the two-plus decades since Active Directory was released, the enterprise security landscape has changed drastically. This has left many organizations vulnerable to Active Directory attacks.…
[Updated February 14, 2024; originally published November 29, 2021] The number and scope of confusing and risky security settings in Active Directory are becoming better known with every new cyberattack. Many of these vulnerabilities can be attributed to risky configurations that have accumulated in legacy environments over time. But IT…