A pro-Iran hacker group has taken credit for the attack on Bluesky, which appears to have lasted 24 hours. The post Bluesky Disrupted by Sophisticated DDoS Attack appeared first on SecurityWeek .
Authorities in 21 countries participated in a coordinated action against DDoS-for-hire services. The post 53 DDoS Domains Taken Down by Law Enforcement appeared first on SecurityWeek .
The Masjesu botnet is a critical threat targeting IoT devices with a focus on persistence rather than widespread infection. It avoids blacklisted IP addresses and critical infrastructure, indicating an evasive and selective infection strategy. The botnet is used to conduct distributed denial-of-service (DDoS) attacks. No known exploits in the wild or specific affected versions are identified, and no patches or mitigations have been provided.
The lesser-known JackSkid and Mossad botnets have also been targeted in the operation. The post Aisuru and Kimwolf DDoS Botnets Disrupted in International Operation appeared first on SecurityWeek .
The botnet has increased its activity, peaking at 15,000 exploitation attempts per day, and taking a more targeted approach. The post 174 Vulnerabilities Targeted by RondoDox Botnet appeared first on SecurityWeek .
Akamai warns that Layer 7 DDoS, API abuse and AI-powered attacks are merging into coordinated, multi-vector campaigns that are harder to detect and defend against. The post AI, APIs and DDoS Collide in New Era of Coordinated Cyberattacks appeared first on SecurityWeek .
Law enforcement agencies in the US and Europe targeted the cybercrime service that has impacted 360,000 devices since 2020. The post Authorities Disrupt SocksEscort Proxy Service Powered by AVrecon Botnet appeared first on SecurityWeek .
Aeternum operates on smart contracts, making its command-and-control (C&C) infrastructure difficult to disrupt. The post Aeternum Botnet Loader Employs Polygon Blockchain C&C to Boost Resilience appeared first on SecurityWeek .
The cyberattack disrupted information and booking systems and lasted for several hours. The post German Rail Giant Deutsche Bahn Hit by Large-Scale DDoS Attack appeared first on SecurityWeek .
The SSHStalker Linux botnet has infected approximately 7,000 systems by leveraging traditional mass-compromise techniques. It uses a pipeline that deploys various scanners and malware to propagate and maintain control over infected devices. Although it employs old methods, the botnet remains effective in targeting Linux environments. There are no known exploits in the wild specifically tied to this botnet, and no CVSS score has been assigned. The threat is rated medium severity due to its ability to compromise numerous systems and potentially disrupt operations or facilitate further attacks. European organizations running Linux servers or IoT devices are at risk, especially those with weak SSH credentials or exposed services. Mitigation requires focused hardening of SSH access, continuous monitoring for unusual scanning activity, and rapid incident response to contain infections. Countries with significant Linux infrastructure and high-value targets in technology and finance sectors are more likely to be affected. Given the botnet’s reliance on old techniques, organizations can defend effectively by applying best practices and proactive network hygiene.
The botnet’s propagation is fueled by the AI-generated server deployments that use weak credentials, and legacy web stacks. The post GoBruteforcer Botnet Targeting Crypto, Blockchain Projects appeared first on SecurityWeek .
The 2-million-device-strong botnet allows monetization through DDoS attacks, app installs, and the selling of proxy bandwidth. The post Kimwolf Android Botnet Grows Through Residential Proxy Networks appeared first on SecurityWeek .
The RondoDox botnet is actively exploiting the React2Shell vulnerability to compromise thousands of unpatched devices. This threat leverages a known code execution flaw to hijack vulnerable systems, primarily targeting those that have not applied available patches. While exploitation in the wild is not yet widely confirmed, the botnet's activity indicates a growing risk of large-scale device compromise. European organizations with unpatched infrastructure are at risk of device hijacking, leading to potential service disruption and data integrity issues. The threat is medium severity but could escalate if exploitation becomes widespread. Mitigation requires immediate patching of affected systems and enhanced network monitoring for unusual botnet-related traffic. Countries with high IoT and enterprise device usage, especially those with historically targeted sectors, are more likely to be affected. The threat does not require user interaction but targets unpatched systems, increasing its potential impact. Defenders should prioritize vulnerability management and incident response readiness to mitigate this evolving botnet threat.
The Kimwolf Botnet is a recently reported high-severity botnet threat that targets local networks. It is actively stalking local network environments to potentially compromise devices and expand its reach. While detailed technical specifics are limited, the botnet's presence on local networks suggests it may exploit network vulnerabilities or weak device security to propagate. There are no known exploits in the wild yet, but the threat is considered high priority due to its potential impact. European organizations could face risks including unauthorized access, data exfiltration, and disruption of network services. Mitigation requires enhanced local network monitoring, segmentation, and device hardening beyond generic advice. Countries with high IoT and networked device adoption, significant industrial infrastructure, or strategic geopolitical importance in Europe are more likely to be targeted. Given the botnet’s ability to infiltrate local networks without requiring user interaction or authentication, the suggested severity is high. Defenders should prioritize detection capabilities and proactive network hygiene to mitigate this emerging threat.
The RondoDox botnet exploits a critical vulnerability known as React2Shell to compromise IoT devices and web servers. This flaw allows attackers to execute arbitrary code remotely, enabling the hijacking of vulnerable systems to incorporate them into the botnet. Although no specific affected versions or patches have been disclosed yet, the threat is considered critical due to the potential scale and impact. European organizations operating IoT infrastructure or web services are at risk, especially those with devices lacking timely security updates. The botnet could be leveraged for large-scale DDoS attacks, data exfiltration, or further network infiltration. Mitigation requires proactive network monitoring, segmentation of IoT devices, and rapid deployment of vendor patches once available. Countries with high IoT adoption and significant web infrastructure, such as Germany, the UK, France, and the Netherlands, are most likely to be targeted. Given the ease of exploitation and critical impact on confidentiality, integrity, and availability, the suggested severity is critical. Defenders should prioritize detection and containment efforts immediately to prevent widespread compromise.
Linked to the Aisuru IoT botnet, Kimwolf was seen launching over 1.7 billion DDoS attack commands and increasing its C&C domain’s popularity. The post ‘Kimwolf’ Android Botnet Ensnares 1.8 Million Devices appeared first on SecurityWeek .
The Kimwolf botnet has compromised approximately 1.8 million Android TV devices globally, leveraging them to conduct large-scale distributed denial-of-service (DDoS) attacks. This botnet exploits vulnerabilities in Android TV platforms to gain control without requiring user interaction or authentication. The hijacked devices are then orchestrated to flood targeted networks with traffic, disrupting services and causing outages. European organizations relying on Android TV infrastructure or connected smart devices may face increased risk of service disruption and collateral damage from these attacks. The botnet's scale and use of consumer IoT devices make mitigation challenging, requiring coordinated efforts between device manufacturers, network operators, and end users. Countries with high adoption rates of Android TV and significant digital infrastructure are particularly vulnerable. Immediate mitigation involves network-level traffic filtering, device firmware updates, and enhanced monitoring for unusual traffic patterns. Given the ease of exploitation and broad impact, this threat is assessed as high severity for affected entities in Europe.
The botnet attempts to steal credentials from infected TBK DVR devices, in addition to abusing them to launch DDoS attacks. The post New ‘Broadside’ Botnet Poses Risk to Shipping Companies appeared first on SecurityWeek .
Cloudflare recently mitigated a new record-breaking Aisuru attack that peaked at 14.1 Bpps. The post Aisuru Botnet Powers Record DDoS Attack Peaking at 29 Tbps appeared first on SecurityWeek .