Security News

How to create Let's Encrypt SSL certificates with on Linux
2021-09-23 19:34

Issuing and installing SSL certificates doesn't have to be a challenge, especially when there are tools like acme. Installing SSL certificates isn't difficult, but it's a process every Linux administrator will have to take on at some point in their career.

Ransomware encrypts South Africa's entire Dept of Justice network
2021-09-15 19:35

The justice ministry of the South African government is working on restoring its operations after a recent ransomware attack encrypted all its systems, making all electronic services unavailable both internally and to the public. As a consequence of the attack, the Department of Justice and Constitutional Development said that child maintenance payments are now on hold until systems are back online.

WhatsApp to Finally Let Users Encrypt Their Chat Backups in the Cloud
2021-09-12 23:58

WhatsApp on Friday announced it will roll out support for end-to-end encrypted chat backups on the cloud for Android and iOS users, paving the way for storing information such as chat messages and photos in Apple iCloud or Google Drive in a cryptographically secure manner. "With the introduction of end-to-end encrypted backups, WhatsApp has created an HSM based Backup Key Vault to securely store per-user encryption keys for user backups in tamper-resistant storage, thus ensuring stronger security of users' message history," the company said in a whitepaper.

LockBit ransomware now encrypts Windows domains using group policies
2021-07-27 21:10

A new version of the LockBit 2.0 ransomware has been found that automates the encryption of a Windows domain using Active Directory group policies. After ransomware topics were banned on hacking forums [1, 2], LockBit began promoting the new LockBit 2.0 ransomware-as-a-service operation on their data leak site.

Massive Qlocker ransomware attack uses 7zip to encrypt QNAP devices
2021-04-21 17:44

A massive ransomware campaign targeting QNAP devices worldwide is underway, and users are finding their files now stored in password-protected 7zip archives. The ransomware is called Qlocker and began targeting QNAP devices on April 19th, 2021.

Linux Foundation unveils Sigstore — a Let's Encrypt for code signing
2021-03-10 20:49

The Linux Foundation, Red Hat, Google, and Purdue have unveiled the free 'sigstore' service that lets developers code-sign and verify open source software to prevent supply-chain attacks. To pull these attacks off, threat actors will create malicious open-source packages and upload them to public repositories using names similar to popular legitimate packages.

Let’s Encrypt Gears Up to Replace 200M Certificates a Day
2021-02-16 21:47

Let's Encrypt just announced an infrastructure makeover which means the open certificate authority is able to re-issue up to 200 million certificates in a 24-hour period, something the service said could be necessary in "Some of the worst scenarios." The upgrade comes a year after Let's Encrypt was compromised by a Certificate Authority Authorization bug and was forced to revoke 3 million Transport Layer Security certificates on a single day, March 4, potentially leaving the sites behind them insecure or unavailable.

Let's Encrypt completes huge upgrade, can now rip and replace 200 million security certs in 'worst case scenario'
2021-02-15 11:41

Internet Security Research Group nonprofit Let's Encrypt has massively upgraded its certification hardware and software so that it can delete and reissue all its certs in less than 24 hours. Last April the certificate authority was forced to kill three million HTTPS certs after a bug was found in its automated certificate management environment, about 2.6 per cent of its 150 million live certificate base.

How to quickly encrypt text for Apple Mail
2020-12-17 18:51

Jack Wallen shows you how easy it can be to encrypt text to be sent via email, using Apple Mail and the GPG Suite. With the right pieces in place in macOS, you can copy a block of text from any application, encrypt it, paste it into the body of an email, and send it to any user that has shared their public key with you.

MountLocker ransomware gets slimmer, now encrypts fewer files
2020-12-11 15:30

MountLocker ransomware received an update recently that cut its size by half but preserves a weakness that could potentially allow learning the random key used to encrypt files. In a technical analysis published today, the BlackBerry Research and Intelligence Team notes that the new MountLocker variant comes with a compilation timestamp from November 6.