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SECURITY ADVISORIES
May 11, 2022
CVE-2022-26923 - Active Directory Domain Services Elevation of Privilege Vulnerability
THE THREAT Microsoft has disclosed a new vulnerability impacting Active Directory Certificate Services (ADCS) tracked as CVE-2022-26923 (Active Directory Domain Services Elevation of Privilege Vulnerability). If exploited successfully, an authenticated attacker can escalate privileges in environments where ADCS is running on the domain. eSentire is aware of technical details and tooling [2] for…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1200+ organizations in 75+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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LATEST PRESS RELEASE
May 17, 2022
Cybersecurity Leader eSentire Continues Its Commitment to Rigorous Security Standards Earning PCI DSS Certification
Waterloo, ON, May 17, 2022 — eSentire, the Authority in Managed Detection and Response (MDR), maintains one of the most secure and robust IT environments of any MDR provider in the industry. To that end, eSentire today announced that it has received the Payment Card Industry Data Security Standard (PCI DSS) certification, considered one of the most stringent and comprehensive payment card…
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Resources
Threat dissection

Anatomy of an Attack: Gaining Remote Access Using Valid Credentials

With the increasing proliferation of the remote workforce, most organizations provide the ability for remote access into their networks, either via VPN, Citrix, or other access mechanisms. External remote services allow users to connect to internal network resources from external locations. Remote service gateways often manage connections and credential authentication for these services.

Adversaries who have obtained valid account credentials may leverage external remote services as a point of initial access into your network and a mechanism for establishing persistence. Attacks from external remote services are difficult to detect given the use of valid credentials to obtain initial access.

This gives the appearance of legitimate authentication to the services, therefore discovering the malicious activity before damage is done involves threat hunting expertise and advanced machine learning capabilities. Suspicious Remote Access can be leveraged in every stage of the “Cyber Kill Chain”, AKA attack path so vigilance in detecting adversary presence is key.

Read this threat dissection for more information on the challenges of suspicious remote access incidents and see how eSentire’s proprietary machine learning tools & MDR for Log work together to detect them.

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