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Internet
Breach intelligence, attack campaigns, and threat reports targeting the Internet sector.
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Internet Threat Reports
CISA Mandates Urgent Patching of LiteSpeed cPanel Plugin Vulnerability CVE-2026-48172
In May 2026, a critical privilege escalation vulnerability, CVE-2026-48172, was discovered in the LiteSpeed User-End cPanel Plugin versions 2.3 through 2.4.4. This flaw allows unauthenticated remote attackers to execute arbitrary scripts with root privileges by exploiting the 'lsws.redisAble' function, which mishandles Redis enable/disable features. The vulnerability has been actively exploited in the wild, leading to full system compromises on affected servers. LiteSpeed released urgent security updates to address the issue, urging users to update to version 2.4.5 or later. ([sentinelone.com](https://www.sentinelone.com/vulnerability-database/cve-2026-48172/?utm_source=openai)) The exploitation of CVE-2026-48172 underscores the critical importance of timely patch management and the need for robust privilege assignment mechanisms in web hosting environments. The incident highlights the potential risks associated with shared hosting platforms, where a single compromised account can lead to server-wide breaches. Organizations are advised to prioritize the implementation of security patches and to conduct thorough audits of their systems to prevent similar vulnerabilities from being exploited.
1 month ago
Kill Chain
Glassworm Botnet Disrupted After Resilient C2 Infrastructure Takedown
In May 2026, a coordinated operation by CrowdStrike, Google, and The Shadowserver Foundation successfully disrupted the Glassworm botnet, which had been targeting software developers through the open-source supply chain since October 2025. The botnet employed resilient command-and-control (C2) infrastructure utilizing Solana blockchain transactions, BitTorrent Distributed Hash Table (DHT), Google Calendar events, and traditional virtual private servers (VPS). This sophisticated architecture enabled Glassworm to persistently deliver malicious payloads, compromising over 300 GitHub repositories and numerous npm packages, thereby posing significant risks to software supply chains. The takedown underscores a critical shift in cyber threats, with adversaries increasingly focusing on developers to infiltrate and compromise software supply chains. This incident highlights the necessity for enhanced security measures within development environments and the importance of safeguarding open-source ecosystems against such sophisticated attacks.
1 month ago
Kill Chain
Critical Privilege Escalation Vulnerability in LiteSpeed cPanel Plugin (CVE-2026-48172)
In May 2026, a critical privilege escalation vulnerability, CVE-2026-48172, was discovered in the LiteSpeed User-End cPanel Plugin versions 2.3 through 2.4.4. This flaw allows authenticated cPanel users to execute arbitrary scripts with root privileges by exploiting the 'lsws.redisAble' function. The vulnerability has been actively exploited in the wild, leading to unauthorized root-level access on affected servers. LiteSpeed has released version 2.4.5 to address this issue, and users are strongly advised to update immediately. ([thehackernews.com](https://thehackernews.com/2026/05/litespeed-cpanel-plugin-cve-2026-48172.html?utm_source=openai)) The exploitation of CVE-2026-48172 underscores the persistent threat posed by privilege escalation vulnerabilities in widely used web hosting platforms. This incident highlights the critical need for timely patching and vigilant monitoring of server environments to prevent unauthorized access and potential system compromises.
1 month ago
Kill Chain
Critical Vulnerability in LiteSpeed cPanel Plugin Exploited for Root Access
In May 2026, a critical vulnerability (CVE-2026-48172) was discovered in the LiteSpeed User-End cPanel Plugin versions 2.3 through 2.4.4, allowing attackers to execute arbitrary scripts with root privileges. This flaw, stemming from incorrect privilege assignment in the 'lsws.redisAble' function, has been actively exploited in the wild, posing significant risks to affected systems. LiteSpeed has addressed this issue in version 2.4.5 and recommends immediate updates to mitigate potential threats. ([thehackernews.com](https://thehackernews.com/2026/05/litespeed-cpanel-plugin-cve-2026-48172.html?utm_source=openai)) The exploitation of this vulnerability underscores the persistent threat posed by privilege escalation attacks, emphasizing the need for organizations to maintain rigorous patch management practices. As cyber threats continue to evolve, staying vigilant and promptly addressing known vulnerabilities is crucial to safeguarding system integrity and data security.
2 months ago
Kill Chain
Dutch Authorities Dismantle Hosting Firm Enabling Cyberattacks
In May 2026, the Dutch Fiscal Information and Investigation Service (FIOD) arrested two individuals and seized 800 servers associated with Stark Industries, a web hosting company implicated in facilitating cyberattacks, interference operations, and disinformation campaigns. The suspects, aged 57 and 39, were linked to providing infrastructure that supported actions undermining democracy and security, including information manipulation and disruption of public and economic systems. Stark Industries, founded in February 2022, was added to the European Union's list of sanctioned entities in May 2025. Following the sanctions, the company's infrastructure was transferred to a newly established Dutch entity, WorkTitans B.V., operating under the brand THE.Hosting, which investigators believe acted as a front for the sanctioned organization. The FIOD's coordinated raids in Dronten, Schiphol-Rijk, Enschede, and Almere resulted in the confiscation of servers, laptops, phones, and administrative records. ([bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/netherlands-seizes-800-servers-of-hosting-firm-enabling-cyberattacks/amp/?utm_source=openai)) This incident underscores the persistent threat posed by cybercriminals leveraging hosting services to conduct malicious activities. The involvement of entities like WorkTitans B.V. highlights the challenges in enforcing sanctions and the need for continuous vigilance against infrastructure providers that may serve as conduits for cyberattacks. Organizations must remain proactive in monitoring and securing their networks against such threats.
2 months ago
Kill Chain
Arrest of Kimwolf Botnet Operator Highlights IoT Security Risks
In May 2026, Canadian authorities arrested Jacob Butler, known online as "Dort," for allegedly creating and operating the Kimwolf botnet. This botnet infected millions of Internet-of-Things (IoT) devices, such as digital photo frames and web cameras, to execute massive distributed denial-of-service (DDoS) attacks. Some of these attacks reached nearly 30 terabits per second, causing financial losses exceeding one million dollars for certain victims. The U.S. Department of Justice has charged Butler with aiding and abetting computer intrusion, and he faces potential extradition to the United States. ([krebsonsecurity.com](https://krebsonsecurity.com/2026/05/alleged-kimwolf-botmaster-dort-arrested-charged-in-u-s-and-canada/?utm_source=openai)) The Kimwolf botnet's unprecedented scale and impact underscore the growing threat posed by IoT-based cyberattacks. This incident highlights the critical need for enhanced security measures in IoT devices and increased international cooperation to combat cybercrime effectively.
2 months ago
Kill Chain
Kimwolf DDoS Botnet Operator Arrested in Canada
In May 2026, Jacob Butler, a 23-year-old from Ottawa, Canada, was arrested for allegedly operating the Kimwolf botnet, a variant of the AISURU botnet. Kimwolf infected over a million IoT devices, including digital photo frames and web cameras, to execute massive distributed denial-of-service (DDoS) attacks. These attacks targeted global computers and servers, notably impacting the U.S. Department of Defense Information Network (DoDIN) with record-breaking volumes nearing 30 terabits per second. The botnet's operations resulted in significant financial losses, with some victims reporting damages exceeding one million dollars. ([justice.gov](https://www.justice.gov/usao-ak/pr/canadian-man-arrested-international-authorities-charged-administrating-kimwolf-ddos?utm_source=openai)) This incident underscores the escalating threat posed by IoT-based botnets and the critical need for robust cybersecurity measures. The arrest highlights the effectiveness of international collaboration in combating cybercrime, yet it also serves as a reminder of the persistent vulnerabilities within IoT ecosystems that can be exploited for large-scale attacks.
2 months ago
Kill Chain
Lucifer Drainer: The Rise of Drainer-as-a-Service in Cryptocurrency Theft
In early 2026, cybersecurity researchers uncovered the 'Lucifer Drainer,' a sophisticated Drainer-as-a-Service (DaaS) platform that facilitated large-scale cryptocurrency theft. Operating from January 2025 to early 2026, Lucifer Drainer enabled affiliates to deploy phishing websites that tricked users into connecting their crypto wallets. Once connected, malicious transactions were executed, swiftly transferring assets to attacker-controlled wallets. This operation exemplifies the industrialization of crypto theft, with the DaaS model allowing even low-skilled actors to participate in complex scams. The emergence of platforms like Lucifer Drainer underscores a significant shift in cybercriminal tactics, highlighting the need for enhanced vigilance among cryptocurrency users and platforms. The professionalization of such services indicates a growing threat landscape, necessitating robust security measures and user education to mitigate risks associated with these evolving schemes.
2 months ago
Kill Chain
Underminr Exploit: A New Threat to Web Security
In May 2026, researchers identified a critical vulnerability named 'Underminr' that exploits weaknesses in content delivery networks (CDNs) and Domain Name System (DNS) configurations. This exploit allows threat actors to manipulate web requests, enabling them to mask malicious activities behind the trusted reputations of legitimate websites. By leveraging this technique, attackers can conduct phishing campaigns, distribute malware, and perform data exfiltration while appearing to originate from reputable domains. The widespread nature of this vulnerability poses significant risks to organizations relying on CDNs for web content delivery. The emergence of Underminr underscores the evolving tactics of cyber adversaries who are increasingly targeting foundational internet infrastructure. This trend highlights the necessity for organizations to reassess their security postures, particularly concerning third-party services like CDNs, and to implement robust monitoring and mitigation strategies to defend against such sophisticated attacks.
2 months ago
Kill Chain
Chinese APTs Deploy 'Showboat' Linux Backdoor in Central Asia Telco Attacks
In May 2026, Chinese state-aligned Advanced Persistent Threat (APT) groups were discovered using a Linux-based post-exploitation framework named 'Showboat' to infiltrate telecommunications companies in Central Asia. The malware enables attackers to scan and infect devices on local area networks (LANs) that are not connected to the public Internet, facilitating long-term espionage activities. Notably, the APT group Calypso has been identified leveraging Showboat alongside a Windows backdoor called 'JFMBackdoor' to target entities in Afghanistan, Kazakhstan, Turkey, and India. This incident underscores the evolving tactics of Chinese APTs in targeting critical infrastructure sectors, particularly telecommunications, using cross-platform malware to maintain persistent access and conduct intelligence gathering. The discovery of Showboat highlights the need for enhanced cybersecurity measures to detect and mitigate such sophisticated threats.
2 months ago
Kill Chain
Ukrainian Authorities Uncover Major Infostealer Operation in 2026
In May 2026, Ukrainian cyberpolice, in collaboration with U.S. law enforcement, identified an 18-year-old from Odesa responsible for deploying infostealer malware between 2024 and 2025. This operation targeted users of a California-based online store, compromising 28,000 customer accounts. Of these, 5,800 accounts were exploited to make unauthorized purchases totaling approximately $721,000, resulting in direct losses of $250,000, including chargebacks. The suspect managed the infrastructure for processing and selling stolen session data, which allowed access to victim accounts without credentials, potentially bypassing multi-factor authentication. This incident underscores the escalating threat posed by infostealer malware, which has become increasingly sophisticated and prevalent. Recent reports indicate a surge in such attacks, with infostealers being used to steal billions of credentials annually, facilitating further cybercrimes like ransomware and supply chain attacks. Organizations must enhance their cybersecurity measures to mitigate these evolving threats.
2 months ago
Kill Chain
Typosquatting Supply Chain Attack 2026: A New Era of Cyber Threats
In December 2025, attackers exploited typosquatting techniques to embed AI-generated lookalike domains within legitimate third-party scripts running on web properties. This method allowed malicious code to execute in users' browsers without requiring mistyped URLs or server breaches, leading to significant data exfiltration and financial losses. The Trust Wallet incident exemplifies this trend, where a trojanized Chrome extension resulted in the theft of $8.5 million from 2,500 wallets within 48 hours. This incident underscores a critical shift in cyber threats, highlighting the vulnerability of supply chains to typosquatting attacks. The rapid generation of convincing domain variants by AI tools has outpaced traditional security measures, necessitating enhanced detection capabilities and vigilance in monitoring third-party scripts.
2 months ago
Kill Chain
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