Ticketmaster has recently implemented additional security measures following a hacking incident that affected users in the Philadelphia area. The company sent an authentication code to a customer attempting to transfer NFL tickets to her daughter, signaling heightened security protocols in response to the breach. This incident is part of a broader investigation into Ticketmaster's security practices. Meanwhile, Zendesk has faced criticism over its handling of a vulnerability disclosed through its bug bounty program, with allegations that it left a backdoor in systems of Fortune 500 companies. The company reportedly closed the vulnerability report as out of scope, leading to dissatisfaction among security researchers and claims that it failed to adequately address the issue.