Author: DEFENDEDGE

Original release date: February 17, 2022 Cisco has released security updates to address a vulnerability affecting Cisco Email Security Appliance. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page. CISA encourages users and administrators to review Cisco Advisory cisco-sa-esa-dos-MxZvGtgU and… Read more

The resurgent trojan has targeted 60 top companies to harvest credentials for a wide range of applications, with an eye to virulent follow-on attacks. Read more

On the plus side, only instances with non-standard not recommended configurations are vulnerable. On the downside, those configurations aren’t easy to track down, and it’s easy as pie to exploit. Read more

Original release date: February 16, 2022 Summary Actions to Help Protect Against Russian State-Sponsored Malicious Cyber Activity: • Enforce multifactor authentication. • Enforce strong, unique passwords. • Enable M365 Unified Audit Logs. • Implement endpoint detection and response tools. From at least January 2020, through February 2022, the Federal Bureau of Investigation (FBI), National Security… Read more

Original release date: February 16, 2022 CISA, the Federal Bureau of Investigation (FBI), and the National Security Agency (NSA) have released a joint Cybersecurity Advisory (CSA) highlighting regular targeting of U.S. cleared defense contractors (CDCs) by Russian state-sponsored cyber actors. These CDCs support contracts for the U.S. Department of Defense and Intelligence Community. The CSA… Read more

A group of five security vulnerabilities could lead to a range of bad outcomes for virtual-machine enthusiasts, including command execution and DoS. Read more

Original release date: February 15, 2022 CISA has added nine new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and pose significant risk to… Read more

Researchers have never before seen SquirrelWaffle attackers use typosquatting to keep sending spam once a targeted Exchange server has been patched for ProxyLogon/ProxyShell. Read more

The year’s 1st Chrome zero-day can lead to all sorts of misery, ranging from data corruption to the execution of arbitrary code on vulnerable systems. Read more

Original release date: February 15, 2022 The Federal Bureau of Investigation (FBI) and the United States Secret Service (USSS) have released a joint Cybersecurity Advisory (CSA) identifying indicators of compromise associated with BlackByte ransomware. BlackByte is a Ransomware-as-a-Service group that encrypts files on compromised Windows host systems, including physical and virtual servers. CISA encourages organizations to… Read more