10 Questions CISOs Should Be Asking About File Security
Security Boulevard, Tuesday, September 9th, 2025
Every major breach leaves the same painful lesson in its wake: the attack often began with a single file.
- A document that looked routine.
- An attachment that seemed harmless.
- A download from a 'reputable' source.
- A Teams message with an innocent PPT.
Yet despite this pattern, most security teams don't stop to measure their exposure to file-borne risks until after an incident has already caused damage.
The reality is that files move everywhere in modern business. They flow through email, are shared across SaaS applications, uploaded to customer portals, exchanged with partners and contractors, and opened directly on endpoints. Each of these touchpoints represents an opportunity for hidden malware to slip through unnoticed and for sensitive data to spill outside intended boundaries.