Incident tracker

Recent cyber attacks and data breaches

This view includes companies named on ransomware leak sites. Those are the gangs’ claims, not verified breaches.

DisclosedCompanyWhat happenedTypeRecordsSource
2026-05-06LegionProxyLegionProxy: a data breach

In April 2026, the commercial residential and ISP proxy network LegionProxy suffered a data breach . The incident exposed 10k email addresses, bcrypt password hashes, names and purchases.

Data breach
10,144Have I Been Pwned
2026-05-05VimeoVimeo: a data breach

In April 2026, the ShinyHunters extortion group listed Vimeo on their extortion portal as part of their "pay or leak" campaign . They subsequently published hundreds of gigabytes of data, predominantly consisting of video titles, technical data and metadata. The data also included 119k unique email addresses, sometimes accompanied by names. Vimeo attributed the exposure to a breach of Anodot, a third-party analytics vendor, and advised the incident does not include "Vimeo video content, valid user login credentials, or payment card information".

Data breach
119,167Have I Been Pwned
2026-05-04Reborn GamingReborn Gaming: a data breach

In April 2026, the gaming community Reborn Gaming suffered a data breach due to a vulnerability in cPanel and WebHost Manager (WHM) . The breach exposed 126 unique email addresses along with IP addresses and Steam IDs. Reborn Gaming self-submitted the data to Have I Been Pwned.

Data breach
126Have I Been Pwned
2026-05-03Marcus & MillichapMarcus & Millichap: a data breach

In April 2026, the commercial real estate brokerage firm Marcus & Millichap was named as one of multiple alleged victims of the ShinyHunters hacking and extortion group . Data alleged to have been obtained from the company was subsequently released publicly and included 1.8M unique email addresses, along with names, phone numbers and employment-related information including employer, job title and physical company address. In their disclosure notice , Marcus & Millichap advised that data which may have been accessed appeared limited to "company forms, templates, marketing materials, and general contact information".

Data breach
1,837,078Have I Been Pwned
2026-05-02ZenBusinessZenBusiness: a data breach

In March 2026, the hacker and extortion group "ShinyHunters" claimed to have obtained a substantial corpus of data from ZenBusiness , a business formation and compliance platform. The group claimed the data had been exfiltrated from platforms including Snowflake, Mixpanel and Salesforce, and threatened to publish it if a ransom was not paid. The following month, after claiming payment had not been made, ShinyHunters publicly released the data. The collection amounted to many terabytes across thousands of files that appeared to originate from multiple systems and business functions, including leads, support records and other CRM-related data. The data contained approximately 5M unique email addresses, often accompanied by name and phone number depending on the source file.

Data breach
5,118,184Have I Been Pwned
2026-05-01AmanAman: a data breach

In April 2026, the ultra-luxury hotel brand Aman was named by ShinyHunters as the target of a "pay or leak" extortion campaign , with the data allegedly obtained from their Salesforce CRM. The data was subsequently leaked publicly and contained over 200k unique email addresses. Whilst not present on all records, the data also included genders, physical addresses, phone numbers, nationalities, dates of birth, spouse names and VIP status codes.

Data breach
215,563Have I Been Pwned
2026-04-27Pitney BowesPitney Bowes: a data breach

In April 2026, the hacking collective ShinyHunters claimed to have obtained data from Pitney Bowes as part of a broader extortion campaign that also named several other organisations. After negotiations allegedly failed, the group publicly released the data which included 8.2M unique email addresses, along with names, phone numbers and physical addresses. A subset of the data also included Pitney Bowes employee records with job titles.

Data breach
8,243,989Have I Been Pwned
2026-04-27ADTADT: a data breach

In April 2026, home security firm ADT confirmed a data breach by ShinyHunters , which listed the company on its website as part of a "pay or leak" extortion attempt. The breach impacted 5.5M unique email addresses along with names, phone numbers and physical addresses. ADT also advised that "in a small percentage of cases, dates of birth and the last four digits of Social Security numbers or Tax IDs were included" and that it had contacted all affected people.

Data breach
5,488,888Have I Been Pwned
2026-04-26UdemyUdemy: a data breach

In April 2026, online training company Udemy was the victim of a “pay or leak” extortion attempt perpetrated by the ShinyHunters group. The data was subsequently leaked publicly and contained 1.4M unique email addresses belonging to customers and instructors. The data also included names, physical addresses, phone numbers, employer information and instructor payout methods including PayPal, cheque and bank transfer.

Data breach
1,401,259Have I Been Pwned
2026-04-24CarnivalCarnival: a data breach

In April 2026, the notorious hacking collective ShinyHunters claimed they had obtained a substantial volume of data belonging to the Carnival cruise operator and attempted to extort the organisation to prevent the data from being leaked. The following week, the group published the data publicly, which contained 8.7M records with 7.5M unique email addresses. The data contained fields indicating it related to the Mariner Society loyalty program run by Holland America, a cruise line brand under Carnival, and included names, dates of birth, genders and data relating to status within the loyalty program. Carnival acknowledged a phishing incident involving a single user account and advised they were working to better understand the scope of the unauthorised activity.

Data breach
7,531,359Have I Been Pwned

+2 more

About this tracker

435
Incidents
296
Ransomware gang claims
731
Last 30 days
401
Companies tracked
2,742,501,669
Records disclosed