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It’s 2021: Have you checked your backups?

Adam Shostack

As the expression goes, no one cares about backups, they care about restores. Some lessons learned over the last few days: Apple has disabled single user mode as of Mojave, and many recovery options are not available if you use a firmware password. Do yours work? Do not forget that availability is a security property.

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New Qlocker ransomware infected hundreds of QNAP NAS devices in a few days

Security Affairs

The malware moves all files stored on the device to password-protected 7zip archives and demand the payment of a $550 ransom. “The Multimedia Console, Media Streaming Add-on, and Hybrid Backup Sync apps need to be updated to the latest available version as well to further secure QNAP NAS from ransomware attacks.

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FBI warns of ransomware attacks targeting the food and agriculture sector

Security Affairs

The good news is in the latter attack the victims restored its backups. The FBI provided the following mitigations to protect against ransomware attacks: Regularly back up data, air gap, and password protect backup copies offline. Install updates/patch operating systems, software, and firmware as soon as they are released.

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Spectre and Meltdown Attacks Against Microprocessors

Schneier on Security

The second is that some of the patches require updating the computer's firmware. In November, Intel released a firmware update to fix a vulnerability in its Management Engine (ME): another flaw in its microprocessors. Some patches require users to disable the computer's password, which means organizations can't automate the patch.

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CISA and FBI issue alert about Zeppelin ransomware

Malwarebytes

But you should also realize that while it’s easy to say that you need reliable and easy to deploy backups for example, it’s not always easy to follow that advice. Maintain offline backups of data, and regularly maintain backup and restoration. Ensure all backup data is encrypted, immutable (i.e.,

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A new wave of Qlocker ransomware attacks targets QNAP NAS devices

Security Affairs

The ransomware known as Qlocker exploits CVE-2021-28799 to attack QNAP NAS running certain versions of HBS 3 (Hybrid Backup Sync).” Once the ransomware has infected a device, it moves all the files on the NAS into password-protected 7z archives and demands the payment of a $550 ransom. READ_ME.txt) in each affected folder.

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Ranzy Locker ransomware hit tens of US companies in 2021

Security Affairs

Below are the recommended mitigations included in the alert: Implement regular backups of all data to be stored as air gapped, password protected copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released.