Author: DEFENDEDGE
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Log4JShell Used to Swarm VMware Servers with Miners, Backdoors
Researchers have found three backdoors and four miners in attacks exploiting the Log4Shell vulnerability, some of which are still ongoing. Read more
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Mitigating Attacks Against Uninterruptable Power Supply Devices
Original release date: March 29, 2022 CISA and the Department of Energy (DOE) are aware of threat actors gaining access to a variety of internet-connected uninterruptable power supply (UPS) devices, often through unchanged default usernames and passwords. Organizations can mitigate attacks against their UPS devices, which provide emergency power in a variety of applications when… Read more
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Exchange Servers Speared in IcedID Phishing Campaign
The ever-evolving malware shows off new tactics that use email thread hijacking and other obfuscation techniques to provide advanced evasion techniques. Read more
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CISA Adds 32 Known Exploited Vulnerabilities to Catalog
Original release date: March 28, 2022 CISA has added 32 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog,… Read more
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Vulnerability Summary for the Week of March 21, 2022
Original release date: March 28, 2022 High Vulnerabilities Primary Vendor — Product Description Published CVSS Score Source & Patch Info adobe — acrobat_dc Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context… Read more
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Critical Sophos Security Bug Allows RCE on Firewalls
The security vendor’s appliance suffers from an authentication-bypass issue. Read more
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Google Chrome Zero-Day Bugs Exploited Weeks Ahead of Patch
Two separate campaigns from different threat actors targeted users with the same exploit kit for more than a month before the company fixed an RCE flaw found in February. Read more
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DOJ Indicts Russian Gov’t Employees Over Targeting Power Sector
The supply-chain attack on the U.S. energy sector targeted thousands of computers at hundreds of organizations, including at least one nuclear power plant. Read more
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CISA Adds 66 Known Exploited Vulnerabilities to Catalog
Original release date: March 25, 2022 CISA has added 66 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog,… Read more
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AA22-083A: Tactics, Techniques, and Procedures of Indicted State-Sponsored Russian Cyber Actors Targeting the Energy Sector
Original release date: March 24, 2022 Summary Actions to Take Today to Protect Energy Sector Networks: • Implement and ensure robust network segmentation between IT and ICS networks. • Enforce MFA to authenticate to a system. • Manage the creation of, modification of, use of—and permissions associated with—privileged accounts. This joint Cybersecurity Advisory (CSA)—coauthored by… Read more