Notes

the April 2026 Dark Web Breach Incident Trend Report is compiled from data breach cases posted on the deep web and dark web forums. some information is included in cases where it is difficult to fully verify the factuality of the information due to the nature of the source.

Major Issues

• data breaches and sales of initial access to military, government, financial, technology, healthcare, and energy sectors were widely observed on major dark web forums BreachForums (run by Hasan), DarkForums, Exploit, Spear, and PwnForums.
• ShinyHunters have claimed Data breaches against multinational organizations such as Vimeo Inc., 7-Eleven, ADT Inc., Alert 360, Udemy Inc., Zara, and others, while Cisco source code leaks and internal Telegram group chat data sharing have been observed.
• high-risk breaches involving military, government, and intelligence organizations were also highlighted. data from China’s People’s Liberation Army (PLA), Iran’s IRGC surveillance system and police databases, Taiwan’s military and cyber security data, Boeing’s SLS and Artemis-related data, Virginia-class submarine technical data, and initial access to firewalls for US aerospace and defense companies were traded or shared.
• in the South Korea Region, KAAC data, which purports to be an academic organization, was shared on DarkForums, and data related to the Family Federation for World Peace and Unification (Unification Church) was sold. vM Horizon access for an insurance company in the Korea Region was also observed being sold on Spear.
• The Dedale Office’s claimed breach of shared childcare and community education data was determined to be a fake AI-generated sample data, making it difficult to determine if it was a real breach.
• the technology, financial, and platform sectors also saw breaches. Data or source code from Blue Origin, Vercel Inc., Coinbase Global Inc., SoundCloud, Polymarket, Jaguar Land Rover Automotive PLC, and Cisco were sold or shared on forums.
• in the Middle East, Data from TAMM, Taif City e-Government Platform, 1Pass LLC’s CRM Panel data, Riyadh Chamber of Commerce & Industry, and talabat were traded.
• in Asia, Oceania and the Others Region, Japanese Driver’s License-Personal Data, Mynavi Corporation Personal Data, Singaporean Citizen Data, Agoda Malaysia Customer Data, Elite Cloud Pte. Ltd. data, Beijing Yuansxin Pharmacy Technology Co., Ltd. (Miaoshou Doctor) Data, and card data from Australia and Denmark.
• in the Latin America Region, Guatemala’s MINEDUC, Ministry of Labor and Social Security, RENAP, SAT, and University Data were repeatedly sold or shared, while in Venezuela, data related to Movilnet, SEBIN, CICPC, CORPOELEC, SENIAT, Conviasa, and PDVSA appeared on dark web forums.
• Hasan’s BreachForums functioned as a major hub for the distribution of Data from the military, government, financial, and technology sectors, and there were also indications of collaboration with VECT and distribution of keys.
• the commoditization of malware and attack tools has also expanded. QuimaCORE v2.0 Malware Builder, Yellow Stealer, HybridPetya ransomware source code, BlueLight Phishing Platform-as-a-Service (PhaaS), Bluekit, and Windows malware development and evasion tradecraft training materials were sold.
• Free logs of Mystic Stealer and stealer logs targeting a number of global organizations were publicly distributed, which were cited as potentially leading to credential theft and secondary Damage.

Conclusion

the April 2026 Dark Web Breach Trends were summarized by ShinyHunters’ claims of large-scale corporate breaches, high-risk distribution of military, defense, and government Data, concentrated breaches at public institutions in Latin America, and the increasing commoditization of malware and phishing services. organizations should stay on top of their risks through monitoring the dark web, tightening access controls, establishing a phishing response system, and responding to Infostealer-based credential theft.