Cryptocurrency security covers theft, fraud, ransomware payments, wallet compromise, and blockchain risks involving digital assets and transactions.
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Background for this topic.
Cryptocurrency is a digital asset secured by cryptography and recorded on a decentralized blockchain ledger. It enables peer-to-peer transactions without intermediaries, relying on consensus mechanisms like proof-of-work or proof-of-stake to validate and add transaction blocks. Users control funds through private keys, which are critical for accessing and transferring cryptocurrency.
From an information security perspective, protecting private keys is paramount, as their compromise leads to irreversible theft. Cryptocurrency exchanges and wallet software are frequent targets for hacking, requiring robust security controls and vulnerability management. Additionally, the pseudonymous nature of transactions can facilitate illicit activities, challenging efforts to trace funds and enforce compliance. Defenses include hardware wallets, multi-factor authentication, and secure key management practices to mitigate risks inherent in cryptocurrency operations.
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We tracked a cryptocurrency-mining campaign exploiting CVE-2026-33017, which revealed how threat actors are now scanning exposed AI application infrastructure for their next foothold.
2 More Vulnerabilities Need Patching in React Server Components, Warns VercelMass exploitation of the "React2Shell" - CVE-2025-55182 - vulnerability remains underway by nation-state hackers tied to China, North Korea and Iran, as well as financially motivated cybercriminals running everything from cryptomining malware to DDoS services, security experts warn.
A financially motivated threat actor has been observed exploiting a recently disclosed remote code execution flaw affecting the Craft Content Management System (CMS) to deploy multiple payloads, including a cryptocurrency miner, a loader dubbed Mimo Loader, and residential proxyware
Threat actors are exploiting a critical remote command execution vulnerability, tracked as CVE-2024-50603, in Aviatrix Controller instances to install backdoors and crypto miners. [...]
In this blog entry, we discuss how an attacker took advantage of the Atlassian Confluence vulnerability CVE-2023-22527 to connect servers to the Titan Network for cryptomining purposes.
The North Korean Lazarus hacking group exploited a Google Chrome zero-day tracked as CVE-2024-4947 through a fake decentralized finance (DeFi) game targeting individuals in the cryptocurrency space. [...]
Novel attack vectors leverage the CVE-2023-22527 RCE flaw discovered in January, which is still under active attack, to turn targeted cloud environments into cryptomining networks.
A technical analysis on how CVE-2023-22527 can be exploited by malicious actors for cryptojacking attacks that can spread across the victim’s system
Muhstik botnet exploits a critical Apache RocketMQ flaw (CVE-2023-33246) for remote code execution, targeting Linux servers and IoT devices for DDoS attacks and cryptocurrency mining
Water Sigbin (aka the 8220 Gang) exploited the Oracle WebLogic vulnerabilities CVE-2017-3506 and CVE-2023-21839 to deploy a cryptocurrency miner using a PowerShell script. The threat actor also adopted new techniques to conceal its activities, making attacks harder to defend against.
We uncovered the active exploitation of the Apache ActiveMQ vulnerability CVE-2023-46604 to download and infect Linux systems with the Kinsing malware (also known as h2miner) and cryptocurrency miner.
A WinRar zero-day vulnerability tracked as CVE-2023-38831 was actively exploited to install malware when clicking on harmless files in an archive, allowing the hackers to breach online cryptocurrency trading accounts. [...]
Users are advised to patch immediately: We found exploit samples abusing the Atlassian Confluence vulnerability (CVE-2022-26134) in the wild for malicious cryptocurrency mining.
Recently, we observed the Spring4Shell vulnerability — a remote code execution bug, assigned as CVE-2022-22965 — being actively exploited by malicious actors to deploy cryptocurrency miners.