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New Cring ransomware deployed targeting unpatched Fortinet VPN devices

Security Affairs

Attackers are actively exploiting the CVE-2018-13379 flaw in Fortinet VPN to deploy the Cring ransomware to organizations in the industrial sector. This ransomware encrypts data from victims with AES-256 + RSA-8192 and then demands a ~ 2 BTC ransom to get the files back. . SecurityAffairs – hacking, Fortinet VPN).

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FBI warns of increase in PYSA ransomware attacks targeting education

Malwarebytes

PYSA, aka Mespinoza, is a malware capable of exfiltrating data and encrypting users’ critical files and data stored on their systems. PYSA, also known as Mespinoza, was first spotted in the wild in October 2019 where it was initially used against large corporate networks. Consider installing and using a VPN.

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FBI and CISA are warning of APT actors targeting Fortinet FortiOS servers

Security Affairs

The threat actors are actively exploiting the following vulnerabilities in Fortinet FortiOS: CVE-2018-13379 ; CVE-2020-12812 ; CVE-2019-5591. The joint alert also states that attackers scanning also enumerated devices for the CVE-2020-12812 and CVE-2019-5591 flaws. hard drive, storage device, the cloud).

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Threat spotlight: Conti, the ransomware used in the HSE healthcare attack

Malwarebytes

The first is Ransom.Sodinokibi , which Malwarebytes has already profiled and has been detecting since 2019.). The files are then held for ransom and the victim is threatened by data loss, because of the encryption, and leaking of the exfiltrated data. Earlier versions appended the.CONTI extension to encrypted files.

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Ransomware: February 2022 review

Malwarebytes

Observed since: September 2019 Ransomware note: Restore-My-Files.txt Ransomware extension: lockbit Kill Chain: Brute force attack on a web server containing an outdated VPN service > LockBit Sample hash: 9feed0c7fa8c1d32390e1c168051267df61f11b048ec62aa5b8e66f60e8083af. LockBit 2.0.

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Types of Encryption, Methods & Use Cases

eSecurity Planet

Encryption scrambles data to make it unreadable to those without decryption keys. Proper use of encryption preserves secrecy and radically lowers the potential damage of a successful cybersecurity attack. Encryption algorithm types will provide an overview of the mathematical algorithms used to encrypt data (AES, RSA, etc.),

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The Biggest Lessons about Vulnerabilities at RSAC 2021

eSecurity Planet

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Detect Focus on encryption Assume exfiltration. From BIOS and firmware to UEFI code, VBOS is an attack vector that requires more attention. Old way New way. Current Target: VBOS.