Parkour has not released the exploit publicly, however, but has password-protected the malicious PDF she discovered, and will release it only to people who e-mail her.

In recent developments, cybercriminals, notably former members of the notorious Black Basta group, have intensified their attacks, targeting Microsoft Teams through sophisticated Python scripts ...

Last month, Parkour uncovered a bug in Reader’s font-rendering technology that was exploited by attack campaigns using bogus messages from renowned golf coach David Leadbetter as click bait.