A significant security flaw in Dell laptops could potentially allow attackers to bypass Windows login, gaining access to all data, passwords, and sensitive banking information.

The previously unreported analysis, validated by Dell in a June security advisory, affected more than 100 models of Dell laptops, according to the company, and targeted a chip in the computer that stores passwords, biometric data and security codes, and installs fingerprint, smartcard and near-field communications drivers and firmware.

Security researchers at Cisco Talos have uncovered "ReVault," a newly identified threat affecting a vast number of Dell enterprise PCs. The attack chain consists of five

black hat Critical security flaws in Broadcom chips used in more than 100 models of Dell computers could allow attackers to take over tens of millions of users' devices, steal passwords, and access sensitive data, including fingerprint information, according to Cisco Talos.

If you're using a Dell PC, you need to update your firmware immediately. The Cisco Talos research team found five flaws affecting over 100 different Dell models. These vulnerabilities are severe and attackers can exploit them to access a victim's system even if the OS has been reinstalled.

Dell has released a security fix for over 100 laptop models that left millions of devices open to potential cyberattacks.