The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) on Wednesday issued a joint advisory warning of active exploitation of vulnerabilities in Microsoft Exchange on-premises products by nation-state actors and cybercriminals. “CISA and FBI assess that adversaries could exploit these vulnerabilities to compromise networks, steal information, encrypt data for…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) on Wednesday issued a joint advisory warning of active exploitation of vulnerabilities in Microsoft Exchange on-premises products by nation-state actors and cybercriminals. “CISA and FBI assess that adversaries could exploit these vulnerabilities to compromise networks, steal information, encrypt data for…
Application security company F5 Networks on Wednesday published an advisory warning of four critical vulnerabilities impacting multiple products that could result in a denial of service (DoS) attack and even unauthenticated remote code execution on target networks. The patches concern a total of seven related flaws (from CVE-2021-22986 through CVE-2021-22992), two of which were discovered…
Microsoft plugged as many as 89 security flaws as part of its monthly Patch Tuesday updates released today, including fixes for an actively exploited zero-day in Internet Explorer that could permit an attacker to run arbitrary code on target machines. Of these flaws, 14 are listed as Critical, and 75 are listed as Important in…
Cybersecurity researchers on Wednesday shed light on a new sophisticated backdoor targeting Linux endpoints and servers that’s believed to be the work of Chinese nation-state actors. Dubbed “RedXOR” by Intezer, the backdoor masquerades as a polkit daemon, with similarities found between the malware and those previously associated with the Winnti Umbrella (or Axiom) threat group…
Cybersecurity researchers on Wednesday shed light on a new sophisticated backdoor targeting Linux endpoints and servers that’s believed to be the work of Chinese nation-state actors. Dubbed “RedXOR” by Intezer, the backdoor masquerades as a polkit daemon, with similarities found between the malware and those previously associated with the Winnti Umbrella (or Axiom) threat group…
Threat actors known for keeping a low profile do so by ceasing operations for prolonged periods in between to evade attracting any attention as well as constantly refining their toolsets to fly below the radar of many detection technologies. One such group is FIN8, a financially motivated threat actor that’s back in action after a…
Cybersecurity researchers have discovered a new malware dropper contained in as many as 9 Android apps distributed via Google Play Store that deploys a second stage malware capable of gaining intrusive access to the financial accounts of victims as well as full control of their devices. “This dropper, dubbed Clast82, utilizes a series of techniques…
Cybersecurity researchers have discovered a new malware dropper contained in as many as 9 Android apps distributed via Google Play Store that deploys a second stage malware capable of gaining intrusive access to the financial accounts of victims as well as full control of their devices. “This dropper, dubbed Clast82, utilizes a series of techniques…
Cybersecurity researchers have discovered a new malware dropper contained in as many as 9 Android apps distributed via Google Play Store that deploys a second stage malware capable of gaining intrusive access to the financial accounts of victims as well as full control of their devices. “This dropper, dubbed Clast82, utilizes a series of techniques…
