Threat Research
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- AD Security 101 (17)
- Community Tools (19)
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- Hybrid Identity Protection (62)
- Identity Attack Catalog (17)
- Identity Threat Detection & Response (133)
- Our Mission: Be a Force for Good (14)
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Semperis Offers New Protection Against Okta Breaches
- Semperis Research Team
In an ever-evolving digital landscape, organizations rely on robust identity protection solutions to safeguard sensitive data and maintain secure operations. For most enterprise businesses, that means protecting Active Directory and Entra ID (formerly Azure AD). But identity protection is just as vital for organizations that use Okta, a cloud-based identity…
How to Protect Active Directory Against Kerberoasting: AD Security 101
- Daniel Petri | Senior Training Manager
Active Directory (AD) remains a crucial backbone for enterprise IT environments, centralizing authentication and authorization for users and computers. However, Active Directory’s importance—coupled with its age and the technical debt it often accrues—makes it a primary target for cyberattacks. One common attack technique, called Kerberoasting, exploits the Kerberos authentication protocol…
How to Prevent a Man-in-the-Middle Attack: AD Security 101
- Daniel Petri | Senior Training Manager
A man-in-the-middle attack, also known as an MitM attack, is a form of eavesdropping in an attempt to steal sensitive data, such as user credentials. These attacks can pose a serious threat to organizations' network security, particularly in environments that use Microsoft Active Directory (AD) for identity management. As Active…
Transitive Trust and Breaking Trust Transitivity: AD Security 101
- Charlie Clark
While playing with Kerberos tickets, I discovered an issue that allowed me to authenticate to other domains within an Active Directory (AD) forest across external non-transitive trusts. This means that there is in fact no such thing as a “non-transitive trust.” The term is at best misleading and offers systems…
Identity Attack Watch: AD Security News, February 2023
- Semperis Research Team
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 help IT and identity security professionals understand and improve AD security, the Semperis Research Team publishes a monthly roundup of recent identity-related cyberattacks. This month's…
Identity Attack Watch: AD Security News, January 2023
- Semperis Research Team
Cyberattacks targeting Active Directory are on the upswing, putting pressure on identity and Active Directory (AD) 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…
Identity Attack Watch: December 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…
Identity Attack Watch: November 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…
