Latest cybersecurity reporting from selected sources.

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of cyber attacks carried out by a threat actor called UAC-0099 targeting government agencies, the defense forces, and enterprises of the defense-industrial complex in the country

Ukraine's Computer Emergency Response Team (CERT-UA) is warning about highly targeted attacks employing compromised Signal accounts to send malware to employees of defense industry firms and members of the country's army forces. [...]

Anti-Mobilization Messaging Lead to Malware-Pushing 'Civil Defense' SitePotential Ukrainian military recruits are being targeted by a "hybrid espionage and information operation" - likely Russian - involving Telegram anti-mobilization messaging and a "Civil Defense" website designed to distribute Windows and Android malware, warns Google's Threat Intelligence Group.

CERT-UA said the phishing campaign lures victims into downloading malware used to exfiltrate files containing sensitive personal data

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of new phishing attacks that aim to infect devices with malware

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new phishing campaign that masquerades as the Security Service of Ukraine to distribute malware capable of remote desktop access

Russian Hackers Using Open-Source Malware on Popular Messaging Apps, Report SaysUkraine's Computer Emergency Response Team is warning in an April report that a Russian hacking group known as UAC-0184 is using open-source malware to target Ukrainian soldiers on popular messaging apps such as Signal, as concerns grow over the Kremlin’s advanced hacking capabilities.

The Computer Emergency Response Team in Ukraine (CERT-UA) is warning about a PurpleFox malware campaign that has infected at least 2,000 computers in the country. [...]

The Computer Emergency Response Team in Ukraine (CERT-UA) is warning about a PurpleFox malware campaign that has infected at least 2,000 computers in the country. [...]

Ukraine's Computer Emergency Response Team (CERT) is warning of a new phishing campaign that allowed Russia-linked hackers to deploy previously unseen malware on a network in under one hour. [...]

An ongoing phishing campaign with invoice-themed lures is being used to distribute the SmokeLoader malware in the form of a polyglot file, according to the Computer Emergency Response Team of Ukraine (CERT-UA)

The Ukrainian Computer Emergency Response Team (CERT) is warning that Russian hacking groups are exploiting the Follina code execution vulnerability in new phishing campaigns to install the CredoMap malware and Cobalt Strike beacons. [...]

Ukraine's Computer Emergency Response Team (CERT-UA) is warning of the mass distribution of Jester Stealer malware via phishing emails using warnings of impending chemical attacks to scare recipients into opening attachments. [...]

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of phishing attacks that deploy an information-stealing malware called Jester Stealer on compromised systems

Cyber-espionage gang using multiple variants of its custom backdoor to ensure persistence, Symantec warns A Russian-linked threat group that has almost exclusively targeted Ukraine since it first appeared on the scene in 2014 is deploying multiple variants of its malware payload on systems within the country.…

Ukraine's Computer Emergency Response Team is warning that threat actors are distributing fake Windows antivirus updates that install Cobalt Strike and other malware. [...]

DDoS tools may be booby-trapped, warns Cisco