Many information security professionals have dismissed the significance of a cyberattack that hit Taiwan just before the visit of House Speaker Nancy Pelosi (D-Calif.), with some indicating the work was by “hacktivists” rather than a full-fledged campaign by the Chinese government. So reports The Washington Post.

Twitter has acknowledged that a previously known and patched vulnerability resulted in a data breach exposing some of the details of the social media service’s users. So reports Bleeping Computer.

Cisco has revealed that a breach of its network resulted in an unspecified number of files being leaked. So reports Dark Reading.

The U.S. government has identified an alleged member of the Russia-backed Conti ransomware group for the first time, releasing an image of someone known as “Target.” So reports TechCrunch.