Google Calendar | Breaking Cybersecurity News | The Hacker News

Google on Wednesday disclosed that the Chinese state-sponsored threat actor known as APT41 leveraged a malware called TOUGHPROGRESS that uses Google Calendar for command-and-control (C2). The tech giant, which discovered the activity in late October 2024, said the malware was hosted on a compromised government website and was used to target multiple other government entities. "Misuse of cloud services for C2 is a technique that many threat actors leverage in order to blend in with legitimate activity," Google Threat Intelligence Group (GTIG) researcher Patrick Whitsell said . APT41, also tracked as Axiom, Blackfly, Brass Typhoon (formerly Barium), Bronze Atlas, Earth Baku, HOODOO, RedGolf, Red Kelpie, TA415, Wicked Panda, and Winnti, is the name assigned to a prolific nation-state group known for its targeting of governments and organizations within the global shipping and logistics, media and entertainment, technology, and automotive sectors. In July 2024, Google reve...

Cybersecurity researchers have discovered a malicious package named "os-info-checker-es6" that disguises itself as an operating system information utility to stealthily drop a next-stage payload onto compromised systems. "This campaign employs clever Unicode-based steganography to hide its initial malicious code and utilizes a Google Calendar event short link as a dynamic dropper for its final payload," Veracode said in a r eport shared with The Hacker News. "Os-info-checker-es6" was first published in the npm registry on March 19, 2025, by a user named "kim9123." It has been downloaded 2,001 times as of writing. The same user has also uploaded another npm package called "skip-tot" that lists "os-info-checker-es6" as a dependency. The package has been downloaded 94 times . While the initial five versions exhibited no signs of data exfiltration or malicious behavior, a subsequent iteration uploaded on May 7, 2025, has ...

"Warning — Making your calendar public will make all events visible to the world, including via Google search. Are you sure?" Remember this security warning? No? If you have ever shared your Google Calendars, or maybe inadvertently, with someone that should not be publicly accessible anymore, you should immediately go back to your Google settings and check if you're exposing all your events and business activities on the Internet accessible to anyone. At the time of writing, there are over 8000 publicly accessible Google Calendars, searchable using Google engine itself, that allow anyone to not only access sensitive details saved to them but also add new events with maliciously crafted information or links, security researcher Avinash Jain told The Hacker News. Avinash Jain , a security researcher from India working in an e-commerce company, Grofers, who previously found vulnerabilities in other platforms like NASA, Google, Jira, and Yahoo. "I was able...