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Security Affairs newsletter Round 493 by Pierluigi Paganini – INTERNATIONAL EDITION

Security Affairs

Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. CISA adds Windows and Qualcomm bugs to its Known Exploited Vulnerabilities catalog Three new Ivanti CSA zero-day actively exploited in attacks Ukrainian national pleads guilty in U.S.

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Over 39K unauthenticated Redis services on the internet targeted in cryptocurrency campaign

Security Affairs

Threat actors targeted tens thousands of unauthenticated Redis servers exposed on the internet as part of a cryptocurrency campaign. Threat actors are targeting these instances to install a cryptocurrency miner. “There are 39,405 unauthenticated Redis services out of 350,675 total Redis services on the public internet.”

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Medusa ransomware hit over 300 critical infrastructure organizations until February 2025

Security Affairs

The threat actors use PsExec to execute scripts, enable RDP access, and modify firewall rules. Encryption is executed using gaze.exe , which disables security tools, deletes backups, and encrypts files with AES-256 before dropping a ransom note. Attackers use Mimikatz to steal credentials.

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What is a Cyberattack? Types and Defenses

eSecurity Planet

Restoration is offered in exchange for a ransom, usually in cryptocurrencies. Also read: How to Recover From a Ransomware Attack Best Ransomware Removal Tools Best Ransomware Removal and Recovery Services Best Backup Solutions for Ransomware Protection. Backup and encryption. Backup solutions today provide fast recovery.

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NFTs – Protecting the investment

CyberSecurity Insiders

Cryptocurrency has been subjected to a rapidly changing balance of laws for the government to try and control it through regulation. Indeed, Vice recently reported that the US tax authorities had placed sanctions on 57 cryptocurrency addresses and one popular exchange due to their connections with money laundering. Staying ahead.

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Hacker Personas Explained: Know Your Enemy and Protect Your Business

Webroot

While cybersecurity advice is often focused on technology like endpoint protection, firewalls and anti-virus, it’s important to remember that behind every breach is a human. This is a scam that’s been around for years and since no one can reverse a cryptocurrency transaction, it’s very likely here to stay.

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Ransomware Protection in 2021

eSecurity Planet

For access to the decryption key, the victim must make prompt payment, often in cryptocurrency shielding the attacker’s identity. Offline Backups. While virtual backups are great, if you’re not storing data backups offline, you’re at risk of losing that data. Also Read: Best Encryption Tools & Software for 2021.