Month: February 2022

  • Broadcom Software Discloses APT Actors Deploying Daxin Malware in Global Espionage Campaign

    Original release date: February 28, 2022 Broadcom Software—an industry member of CISA’s Joint Cyber Defense Collaborative (JCDC)—uncovers an advanced persistent threat (APT) campaign against select governments and other critical infrastructure targets in a publication titled Daxin: Stealthy Backdoor Designed for Attacks Against Hardened Networks. The Symantec Threat Hunter team, part of Broadcom Software, worked with… Read more

  • CISA Releases Advisory on Destructive Malware Targeting Organizations in Ukraine

    Original release date: February 26, 2022 CISA and the Federal Bureau of Investigation have released an advisory on destructive malware targeting organizations in Ukraine. The advisory also provides recommendations and strategies to prepare for and respond to destructive malware.  Additionally, CISA has created a new Shields Up Technical Guidance webpage that details other malicious cyber activity affecting… Read more

  • AA22-057A: Destructive Malware Targeting Organizations in Ukraine

    Original release date: February 26, 2022 Summary Actions to Take Today: • Set antivirus and antimalware programs to conduct regular scans. • Enable strong spam filters to prevent phishing emails from reaching end users. • Filter network traffic. • Update software. • Require multifactor authentication. Leading up to Russia’s unprovoked attack against Ukraine, threat actors… Read more

  • Microsoft Exchange Bugs Exploited by ‘Cuba’ Ransomware Gang

    The ransomware gang known as Cuba is increasingly shifting to exploiting Exchange bugs – including crooks’ favorites, ProxyShell and ProxyLogon – as initial infection vectors. Read more

  • Mozilla Releases Security Update for Mozilla VPN

    Original release date: February 25, 2022 Mozilla has released a security update to address a vulnerability in Mozilla VPN. An attacker could exploit this vulnerability to take control of an affected system.   CISA encourages users and administrators to review Mozilla Foundation Security Advisory 2022-08 and make the necessary update. This product is provided subject to… Read more

  • Zenly Social-Media App Bugs Allow Account Takeover

    A pair of bugs in the Snap-owned tracking app reveal phone numbers and allow account hijacking. Read more

  • Iranian Government-Sponsored MuddyWater Actors Conducting Malicious Cyber Operations

    Original release date: February 24, 2022 CISA, The Federal Bureau of Investigation (FBI), U.S. Cyber Command Cyber National Mission Force (CNMF), the United Kingdom’s National Cyber Security Centre (NCSC-UK), and the National Security Agency (NSA) have issued a joint Cybersecurity Advisory (CSA) detailing malicious cyber operations by Iranian government-sponsored advanced persistent threat (APT) actors known as… Read more

  • AA22-055A : Iranian Government-Sponsored Actors Conduct Cyber Operations Against Global Government and Commercial Networks

    Original release date: February 24, 2022 Summary Actions to Take Today to Protect Against Malicious Activity * Search for indicators of compromise. * Use antivirus software. * Patch all systems. * Prioritize patching known exploited vulnerabilities. * Train users to recognize and report phishing attempts. * Use multi-factor authentication. Note: this advisory uses the MITRE… Read more

  • The Art of Non-boring Cybersec Training–Podcast

    With human error being the common factor in most cyberattacks, employee training has got to get better. To that end, Trustwave cybersec training expert Darren Van Booven explains the importance of fish stress balls and management buy-in. Read more

  • Samsung Shattered Encryption on 100M Phones

    One cryptography expert said that ‘serious flaws’ in the way Samsung phones encrypt sensitive material, as revealed by academics, are ’embarrassingly bad.’ Read more