Tom Exelby

Head of Cyber Security at Red Helix.

Articles by: Tom Exelby

A pink triangle with a red exclamation mark inside on a blue digital landscape

When trust becomes the attack surface

By Tom Exelby published

Following the ransomware attack involving stolen student data, the company behind Canvas has now confirmed it paid the hackers in exchange for the return of the information.

A hand about to touch a phone. Superimposed on top of it is a pink triangle with exclamation mark inside it. Behind it is a computer display with code on it

Identity is the new perimeter: The shift from breaking in to logging in

By Tom Exelby published

Attackers are exploiting identity systems to bypass defenses and gain persistent, stealthy access.

Other versions of this page are available with specific content for the following regions: