The Zombie SaaS Audi – Finding the 3 Apps Your Former Employees Still Access

An employee leaves the company. Their laptop gets returned, email access is shut off, and HR checks the final box on the offboarding checklist.

But what about the dozens of SaaS platforms they used every day?

Zombie accounts remain one of the most overlooked cybersecurity risks in modern business environments. These inactive-but-still-accessible accounts often give former employees or attackers a direct path into sensitive systems.

Most organizations focus on disabling email and recovering devices. Meanwhile, cloud applications, collaboration platforms, CRMs, and shadow IT tools continue operating quietly in the background.

The businesses that reduce risk most effectively are the ones treating SaaS access reviews as an ongoing security process instead of a one-time task.