article thumbnail

GUEST ESSAY: Securing your cryptocurrency — best practices for Bitcoin wallet security

The Last Watchdog

Over time, Bitcoin has become the most widely used cryptocurrency in the world. Backup, backup, backup. To guard against data loss, it’s crucial to regularly create backups of your Bitcoin wallet. Wallet backups provide a safety net in the event that your device breaks down, is misplaced, or is stolen.

article thumbnail

New Linux Cryptomining Malware

Schneier on Security

It’s pretty nasty : The malware was dubbed “ Shikitega ” for its extensive use of the popular Shikata Ga Nai polymorphic encoder, which allows the malware to “mutate” its code to avoid detection. Bottom line: Shikitega is a nasty piece of code. Another article. Slashdot thread.

Malware 265
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

The Link Between Ransomware and Cryptocurrency

eSecurity Planet

Cryptocurrency Fuels Ransomware. One constant in all this will be cryptocurrency, the coin of the realm when it comes to ransomware. Cryptocurrency really is fueling this in a sense. … If you were to take cryptocurrency away from that, they don’t have a convenient digital platform.

article thumbnail

A Cryptomining botnet abuses Bitcoin blockchain transactions as C2 backup mechanism

Security Affairs

Crooks are exploiting BTC blockchain transactions to hide backup command-and-control (C2) server addresses for a cryptomining botnet. Security experts from Akamai have spotted a new botnet used for illicit cryptocurrency mining activities that are abusing Bitcoin (BTC) transactions to implement a backup mechanism for C2.

Backups 113
article thumbnail

The BlueNoroff cryptocurrency hunt is still on

SecureList

The group seems to work more like a unit within a larger formation of Lazarus attackers, with the ability to tap into its vast resources: be it malware implants, exploits, or infrastructure. Also, we have previously reported on cryptocurrency-focused BlueNoroff attacks. Malware infection.

article thumbnail

Mortal Kombat ransomware forms tag team with crypto-stealing malware

Malwarebytes

The tag-team campaign serves up ransomware known as Mortal Kombat, which borrows the name made famous by the video game, and Laplas Clipper malware, a clipboard stealer. The email is cryptocurrency themed, and claims that a payment of yours has “timed out” and will need resending. Detect intrusions.

article thumbnail

Top 10 Malware Strains of 2021

SecureWorld News

Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Cyber Security Centre (ACSC) released a joint Cybersecurity Advisory (CSA) providing details on the top malware strains of 2021. The top malware strains in 2021 included remote access Trojans (RATs), banking Trojans, information stealers, and ransomware.

Malware 87