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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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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 — Feb 26, 2019

Reaper IoT Botnet

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The Threat
Researchers have discovered a large “Internet of Things” (IoT) botnet with similarities to Mirai. Known as “IoT Troop” or “Reaper”, this threat targets IoT devices by exploiting vulnerabilities on internet-connected devices such as IP cameras and consumer grade routers. Compromised devices could be used to support Distributed Denial of Service attacks (DDoS) against targets worldwide. While this botnet appears to be in the early stages of formation, organizations are encouraged to review the denial of service strategies with service providers.

Recommended Actions

In the event of an attack eSentire recommends:

Additional Information
In mid-September 2017, researchers at Qihoo 360 and Check Point reported an increase in attacks against IoT devices. Similarly, eSentire has observed an upward trend in attacks targeting IoT. Unlike past botnets, strong passwords will not be enough to keep devices safe from infection, as Reaper targets manufacturer vulnerabilities. There is currently no known target for the Reaper botnet, but it can be expected that DDoS attacks would likely target DMZ exposed assets as well as cloud-hosted services.

For more information please visit:
https://www.asd.gov.au/publications/protect/preparing-for-responding-to-ddos-activities.htm
https://www.us-cert.gov/sites/default/files/publications/DDoS%20Quick%20Guide.pdf

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