The TeleMessage service through 2025-05-05 implements authentication through a long-lived credential (e.g., not a token with a short expiration time) that can be reused at a later date if discovered by an adversary.

The TeleMessage service through 2025-05-05 implements authentication through a long-lived credential (e.g., not a token with a short expiration time) that can be reused at a later date if discovered by an adversary, as exploited in the wild in May 2025.