The instructions in this post outline how to execute arbitrary code with administrator privileges on the Windows logon screen before the user signs in.

A threat actor has been using a content delivery network cache to store information-stealing malware in an ongoing campaign targeting systems U.S., the U.K., Germany, and Japan. [...]

​Microsoft has released hotfix updates to address multiple known issues impacting Exchange servers after installing the March 2024 security updates. [...]

The Treasury Department's Office of Foreign Assets Control (OFAC) has sanctioned four Iranian nationals for their involvement in cyberattacks against the U.S. government, defense contractors, and private companies. [...]

The National Police Agency in South Korea issued an urgent warning today about North Korean hacking groups targeting defense industry entities to steal valuable technology information. [...]

​The Department of State has started imposing visa restrictions on mercenary spyware makers and peddlers, prohibiting their entry into the United States, as announced earlier in February. [...]

North Korean hackers have been exploiting the updating mechanism of the eScan antivirus to plant backdoors on big corporate networks and deliver cryptocurrency miners through GuptiMiner malware. [...]

The UnitedHealth Group has confirmed that it paid a ransom to cybercriminals to protect sensitive data stolen during the Optum ransomware attack in late February. [...]

​Microsoft warns that the Russian APT28 threat group exploits a Windows Print Spooler vulnerability to escalate privileges and steal credentials and data using a previously unknown hacking tool called GooseEgg. [...]

Synlab Italia has suspended all its medical diagnostic and testing services after a ransomware attack forced its IT systems to be taken offline. [...]

BleepingComputer recently reported how a GitHub flaw, or possibly a design decision, is being abused by threat actors to distribute malware using URLs associated with Microsoft repositories, making the files appear trustworthy. It turns out, GitLab is also affected by this issue and could be abused in a similar fashion. [...]

Russian hacker group Sandworm aimed to disrupt operations at around 20 critical infrastructure facilities in Ukraine, according to a report from the Ukrainian Computer Emergency Response Team (CERT-UA). [...]

The remediation of CVE-2023-24932, discovered in May 2023, is taking longer than Microsoft's initial timeline. This flaw allows attackers to bypass Secure Boot and disable security features like BitLocker. The April 2024 update introduces a new fix that admins should thoroughly test because it has significant ramifications and will be automatically activated in October.

You rarely root for a cybercriminal, but a new malware campaign targeting child exploiters doesn't make you feel bad for the victims. [...]

Ransomware actors have had a rough start this year, as stats from cybersecurity firm Coveware show that the trend of victims declining to pay the cybercriminals continues and has now reached a new record low of 28%. [...]

The Forminator WordPress plugin used in over 500,000 sites is vulnerable to a flaw that allows malicious actors to perform unrestricted file uploads to the server. [...]

A GitHub flaw, or possibly a design decision, is being abused by threat actors to distribute malware using URLs associated with a Microsoft repository, making the files appear trustworthy. [...]

While ransomware attacks decreased after the LockBit and BlackCat disruptions, they have once again started to ramp up with other operations filling the void. [...]

CrushFTP warned customers today in a private memo of an actively exploited zero-day vulnerability fixed in new versions released today, urging them to patch their servers immediately. [...]