Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Dec. 25, 2024: This story, originally published Dec.

Using multifactor authentication wherever possible remains a must-have security defense, not least because it makes network penetration more time-consuming and difficult for attackers to achieve. See ...

When the malware group Lapsus$ needed to gain access to systems compromised in recent breaches, it not only searched for passwords but also for the session tokens — that is, cookies — used to ...

Nearly 22,000 Microsoft Exchange servers exposed online remain unpatched against a high-severity authentication bypass vulnerability that allows attackers to hijack all user mailboxes. Attackers are ...