New HTTP/2 Vulnerability Exposes Web Servers to DoS Attacks

[ad_1] Apr 04, 2024NewsroomVulnerability / Internet Protocol New research has found that the CONTINUATION frame in the HTTP/2 protocol can be exploited to conduct denial-of-service (DoS) attacks. The technique has been codenamed HTTP/2 CONTINUATION Flood by security researcher Bartek Nowotarski, who reported the issue to the CERT Coordination Center (CERT/CC) on January 25, 2024. “Many…

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Defending Minecraft Servers Against DDoS Attacks

[ad_1] Minecraft, with over 500 million registered users and 166 million monthly players, faces significant risks from distributed denial-of-service (DDoS) attacks, threatening server functionality, player experience, and the game’s reputation. Despite the prevalence of DDoS attacks on the game, the majority of incidents go unreported, leaving a gap in awareness and protection. This article explains…

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Hackers Exploit Misconfigured YARN, Docker, Confluence, Redis Servers for Crypto Mining

[ad_1] Mar 06, 2024NewsroomServer Security / Cryptocurrency Threat actors are targeting misconfigured and vulnerable servers running Apache Hadoop YARN, Docker, Atlassian Confluence, and Redis services as part of an emerging malware campaign designed to deliver a cryptocurrency miner and spawn a reverse shell for persistent remote access. “The attackers leverage these tools to issue exploit…

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New Migo Malware Targeting Redis Servers for Cryptocurrency Mining

[ad_1] Feb 20, 2024NewsroomServer Security / Cryptojacking A novel malware campaign has been observed targeting Redis servers for initial access with the ultimate goal of mining cryptocurrency on compromised Linux hosts. “This particular campaign involves the use of a number of novel system weakening techniques against the data store itself,” Cado security researcher Matt Muir…

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Critical JetBrains TeamCity On-Premises Flaw Exposes Servers to Takeover

[ad_1] Feb 07, 2024NewsroomCybersecurity / Software Security JetBrains is alerting customers of a critical security flaw in its TeamCity On-Premises continuous integration and continuous deployment (CI/CD) software that could be exploited by threat actors to take over susceptible instances. The vulnerability, tracked as CVE-2024-23917, carries a CVSS rating of 9.8 out of 10, indicative of…

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HeadCrab 2.0 Goes Fileless, Targeting Redis Servers for Crypto Mining

[ad_1] Feb 01, 2024NewsroomCryptocurrency / Botnet Cybersecurity researchers have detailed an updated version of the malware HeadCrab that’s known to target Redis database servers across the world since early September 2021. The development, which comes exactly a year after the malware was first publicly disclosed by Aqua, is a sign that the financially-motivated threat actor…

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Critical Jenkins Vulnerability Exposes Servers to RCE Attacks

[ad_1] Jan 25, 2024NewsroomVulnerability / Software Security The maintainers of the open-source continuous integration/continuous delivery and deployment (CI/CD) automation software Jenkins have resolved nine security flaws, including a critical bug that, if successfully exploited, could result in remote code execution (RCE). The issue, assigned the CVE identifier CVE-2024-23897, has been described as an arbitrary file…

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Poorly Secured Linux SSH Servers Under Attack for Cryptocurrency Mining

[ad_1] Dec 27, 2023NewsroomMalware / Server Security Poorly secured Linux SSH servers are being targeted by bad actors to install port scanners and dictionary attack tools with the goal of targeting other vulnerable servers and co-opting them into a network to carry out cryptocurrency mining and distributed denial-of-service (DDoS) attacks. “Threat actors can also choose…

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