Remove 2021 Remove Backups Remove Encryption
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Ransomware has Pushed Backup to the Breaking Point

Security Boulevard

Increasingly, when ransomware successfully infiltrates and encrypts a large company’s data, they pay the ransom, which comes as a surprise to many. For instance, when Colonial Pipeline was hit by a ransomware attack in 2021 and shut down operations, the company paid a $4.4 million ransom to recover its business systems.

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Microsoft Patch Tuesday, May 2021 Edition

Krebs on Security

By all accounts, the most pressing priority this month is CVE-2021-31166 , a Windows 10 and Windows Server flaw which allows an unauthenticated attacker to remotely execute malicious code at the operating system level. 5, 2021 to Microsoft was in Exchange Server. So do yourself a favor and backup before installing any patches.

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Everything Encrypted Will Soon Become Decryptable: We Must Prepare Now For The Era Of Quantum Computers

Joseph Steinberg

Nearly every piece of data that is presently protected through the use of encryption may become vulnerable to exposure unless we take action soon. While quantum computers already exist, no devices are believed to yet exist that are anywhere near powerful enough to crack modern encryption in short order.

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Law Enforcement Access to Chat Data and Metadata

Schneier on Security

A January 2021 FBI document outlines what types of data and metadata can be lawfully obtained by the FBI from messaging apps. End-to-end encrypted message content can be available if the user uploads it to an unencrypted backup server. Rolling Stone broke the story and it’s been written about elsewhere.

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Ransomware Groups Turn to Intermittent Encryption to Speed Attack Times

eSecurity Planet

To accelerate the ransomware encryption process and make it harder to detect, cybercriminal groups have begun using a new technique: intermittent encryption. Intermittent encryption allows the ransomware encryption malware to encrypt files partially or only encrypt parts of the files. Others are automated.

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How to recover files encrypted by Yanlouwang

SecureList

Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files. Geography of the Yanluowang attacks, December 4th, 2021 – April 8th, 2022 ( download ). The encryption code for big files. Yanluowang description.

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How to recover files encrypted by Yanluowang

SecureList

Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files. Geography of the Yanluowang attacks, December 4th, 2021 – April 8th, 2022 ( download ). The encryption code for big files. Yanluowang description.