Active Directory Security

Identity Attack Watch: December 2022

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…

Closing Attack Paths to Tier 0 Assets with Forest Druid

Closing Attack Paths to Tier 0 Assets with Forest Druid

  • Ran Harel

After announcing Forest Druid, our free Tier 0 attack path discovery tool, at Black Hat 2022, we’ve used it to help some of the largest organizations in the world close off attack paths to Tier 0 Active Directory assets. Our work with these organizations has validated that defenders can save…

Operational Resilience: More than Disaster Recovery

Operational Resilience: More than Disaster Recovery

  • Sean Deuby | Principal Technologist

To contend with the explosion of cybercrime and its impact on business operations, many organizations are updating their disaster recovery plans to include cyber incident response. Many of the processes and guidelines in traditional disaster recovery plans have changed little in years, sometimes even in over a decade—making them ill-suited…

Identity Attack Watch: November 2022

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…

SyncJacking: Hard Matching Vulnerability Enables Entra ID Account Takeover

SyncJacking: Hard Matching Vulnerability Enables Entra ID Account Takeover

  • Tomer Nahum

This post describes an abuse of hard matching synchronization in Entra Connect that can lead to Entra ID account takeover. These findings build on the research that Semperis published in August, which described abuse of soft matching (also known as SMTP matching). This SyncJacking vulnerability means that an attacker with…

Construction Firm Strengthens its ITDR Foundation with Purple Knight

Construction Firm Strengthens its ITDR Foundation with Purple Knight

  • Semperis Team

Between remote users and contractors, construction company Maple Reinders needed to get control of Active Directory (AD) user account security and shore up its Identity Threat Detection and Response (ITDR) foundation—fast. Managing AD user account sprawl Award-winning full-service construction company Maple Reinders has operated in multiple provinces across Canada for…

Identity Attack Watch: October 2022

Identity Attack Watch: October 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…

Active Directory Forest Recovery Introduces New OS Provisioning Tool

Active Directory Forest Recovery Introduces New OS Provisioning Tool

  • Omri Rubinstien

Even after more than 20 years of service, Active Directory (AD) remains one of the most critical components of the typical enterprise’s IT infrastructure. AD security is easy for users to take for granted when it is working. However, in the event of an attack, its criticality to business operations…