Category: alerts

Original release date: April 26, 2021 Summary The Federal Bureau of Investigation (FBI), Department of Homeland Security (DHS), and Cybersecurity and Infrastructure Security Agency (CISA) assess Russian Foreign Intelligence Service (SVR) cyber actors—also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, and Yttrium—will continue to seek intelligence from U.S. and foreign entities… Read more

The malware is for now using exploits for the Microsoft Exchange “ProxyLogon” security bugs to install Monero-mining malware on targets. Read more

Matt Dunn, the associate managing director for cyber-risk at Kroll, discusses how to keep networks safe from insecure IoT devices. Read more

Original release date: April 22, 2021 CISA has released AR21-112A: CISA Identifies SUPERNOVA Malware During Incident Response to provide analysis of a compromise in an organization’s enterprise network by an advance persistent threat actor. This report provides tactics, techniques, and procedures CISA observed during the incident response engagement. CISA encourages organizations to review AR21-112A for… Read more

David “moose” Wolpoff, co-founder and CTO at Randori, talks lesser-known hacking paths, including unresolved “fixme” flags in developer support groups. Read more

Original release date: April 21, 2021 CISA is aware of three vulnerabilities affecting SonicWall Email Security products: CVE-2021-20021, CVE-2021-20022, and CVE-2021-20023. A remote attacker could exploit these vulnerabilities to take control of an affected system. According to SonicWall, “In at least one known case, these vulnerabilities have been observed to be exploited ‘in the wild.’”… Read more

CVE-2021-22893 allows remote code-execution (RCE) and is being used in the wild by nation-state cyberattackers to compromise VPN appliances in defense, finance and government orgs. Read more

The Mozilla Foundation releases Firefox 88, fixing 13 bugs ranging from high to low severity. Read more

Original release date: April 20, 2021 CISA has issued Emergency Directive (ED) 21-03, as well as Alert AA21-110A, to address the exploitation of vulnerabilities affecting Pulse Connect Secure (PCS) software. An attacker could exploit these vulnerabilities to gain persistent system access and take control of the enterprise network operating the vulnerable PCS device. These vulnerabilities… Read more

Original release date: April 20, 2021 Summary The Cybersecurity and Infrastructure Security Agency (CISA) is aware of compromises affecting U.S. government agencies, critical infrastructure entities, and other private sector organizations by a cyber threat actor—or actors—beginning in June 2020 or earlier related to vulnerabilities in certain Ivanti Pulse Connect Secure products. Since March 31, 2021,… Read more