Large-scale SIM swap fraud

Introduction SIM swap fraud is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification, where the second factor or step is an SMS or a call placed to a mobile telephone. The fraud centers around exploiting a mobile phone operator's...

Mozilla Warns of SHA-1 Deprecation Side Effects

As promised, Mozilla officially began rejecting new SHA-1 certificates as of the first of the year. And as promised, there have been some usability issues. Mozilla yesterday said that some security scanners and antivirus products are keeping some from reaching HTTPS websites. “When a user tries t...

Memory Corruption Bugs Found in VLC Media Player

There are two memory corruption vulnerabilities in some versions of the VLC open-source media player that can allow an attacker to run arbitrary code on vulnerable machines. Neither one of the vulnerabilities has been fixed by VideoLAN, the organization that maintains VLC. Security researcher...