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CVE-2019-0090 flaw affects Intel Chips released in the last 5 years

Security Affairs

A new vulnerability, tracked as CVE-2019-0090 , affects all Intel chips that could allow attackers to bypass every hardware-enabled security technology. Security experts from Positive Technologies warn of a new vulnerability, tracked as CVE-2019-0090, that affects all Intel processors that were released in the past 5 years.

Firmware 145
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Trojan Shield, the biggest ever police operation against encrypted communications

Security Affairs

Trojan Shield operation: The FBI and Australian Federal Police ran an encrypted chat platform that was used by crime gangs and intercepted their communications. The FBI and Australian Federal Police (AFP) ran an encrypted chat platform that was used by crime gangs and intercepted their communications.

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NIST’s Post-Quantum Cryptography Standards

Schneier on Security

The idea is to standardize on both a public-key encryption and digital signature algorithm that is resistant to quantum computing, well before anyone builds a useful quantum computer. Twenty-six advanced to Round 2 in 2019, and seven (plus another eight alternates) were announced as Round 3 finalists in 2020.

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Let’s Encrypt CA is revoking over 3 Million TLS certificates due to a bug

Security Affairs

Let’s Encrypt is going to revoke over 3 million certificates today due to a flaw in the software used to verify users and their domains before issuing a certificate. A bug in Let’s Encrypt’s certificate authority (CA) software, dubbed Boulder, caused the correct validation for some certificates.

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Ragnar Ransomware encrypts files from virtual machines to evade detection

Security Affairs

Ransomware encrypts from virtual machines to evade antivirus. Ragnar Locker deploys Windows XP virtual machines to encrypt victim’s files, the trick allows to evaded detection from security software. Mounting all the shared drives to encrypt. Custom Ragnar Locker ransom note (Source: Sophos). Pierluigi Paganini.

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Ransomware operators exploit VMWare ESXi flaws to encrypt disks of VMs

Security Affairs

Ransomware operators are exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992, to encrypt virtual hard disks. Security experts are warning of ransomware attacks exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992 , to encrypt virtual hard disks. Pierluigi Paganini.

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LockBit 2.0, the first ransomware that uses group policies to encrypt Windows domains

Security Affairs

ransomware is now able to encrypt Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. the first ransomware that uses group policies to encrypt Windows domains appeared first on Security Affairs. A new variant of the LockBit 2.0