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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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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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Security advisories — Mar 22, 2022

Threats to Critical Infrastructure

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The Threat

On March 21st, 2022, U.S. President Joe Biden publicly stated that there is an increased risk of Russian Advanced Persistent Threat (APT) groups targeting critical infrastructure in the United States. These statements were made as a result of continued cyber-attacks being launched at organizations in Ukraine by Russian affiliated threat actors. Notable recent incidents include four wiper malware campaigns and ads, appearing on a known Russian hacker forum, where threat actors were looking to buy access to major oil and gas companies.

Organizations are recommended to review their current defenses and operate under a heightened awareness for threats. Recommendations for defending against Russian APT groups are available below and in the CISA SHIELDS UP report.

This Security Advisory serves as a follow up and a deeper dive to this morning's Threat Update, Heightened Threat Scenario: Russian Cyberattacks.

What we’re doing about it

What you should do about it

Additional information

The Whitehouse statement on potential cyberattacks from Russian APT groups does not provide technical details or additional context for future attacks. Based on recent cyberattacks in Ukraine by Russian affiliated threat actors, attacks may include the deployment of wiper malware, ransomware, or information stealing malware. Critical infrastructure covers a range of industries; attacks may target energy, finance, defense, manufacturing, government, and other major industries.

eSentire has provided additional resources with information related to recent Russian APT activity:


[1] https://www.whitehouse.gov/briefing-room/statements-releases/2022/03/21/statement-by-president-biden-on-our-nations-cybersecurity/
[2] https://www.cisa.gov/shields-up
[3] https://www.cisa.gov/uscert/ncas/alerts/aa22-011a
[4] https://www.esentire.com/resources/library/january-2022-threat-intelligence-observations
[5] https://www.esentire.com/resources/library/march-2022-threat-intelligence-observations-on-demand
[6] https://www.esentire.com/resources/library/threat-briefing-potential-cyber-threats-stemming-from-russias-invasion-of-ukraine
[7] https://www.esentire.com/security-advisories/cyber-threats-due-to-russian-and-ukrainian-tensions
[8] https://www.esentire.com/security-advisories/esentire-threat-intelligence-advisory-cyclops-blink-malware
[9] https://www.esentire.com/security-advisories/russian-apt-exploits-known-vulnerability

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