Collection #1 is a massive credential-stuffing compilation built from thousands of earlier breaches. leaksear.ch indexes 2.69B records containing email addresses with plaintext or hashed passwords, creating risk for anyone who reused credentials.
A CDEK leak indexed by leaksear.ch contains 194.9 million records with email addresses and names. Public breach listings tie the CDEK incident to March 9, 2022, while the exact intrusion vector remains unconfirmed.
BigBasket's 2020 customer data leak is indexed by leaksear.ch with 15.7 million records tied to emails, phones, addresses, dates of birth, IP addresses and hashed passwords. Public reporting traced the broader breach to data sold on the dark web before it was posted publicly in April 2021.
A leaksear.ch index lists 1,458,549 records tied to legacy Exact Sciences cancer diagnostics systems after Abbott confirmed unauthorized access in its Cancer Diagnostics business. The fields include contact details, dates of birth, employee account attributes, and patient registry clinical data.
A Glendale Community College dataset indexed by leaksear.ch contains 111,828 records tied to a June 16, 2026 cybersecurity incident. Public notices say student educational records may have been copied without authorization, with personal data fields that can support phishing and identity fraud.
leaksear.ch indexed 62,920 records from an alleged July 2026 ShinyHunters extortion leak involving Ingram Content Group. The dataset is described as CRM and contact data, including emails, names, phone numbers, addresses, usernames, dates of birth, IP addresses, and related account metadata.
PicBackMan appears in a reported April 2026 database leak containing 38,767 indexed records. The dataset includes contact identifiers, password-related fields, IP addresses, device telemetry, and subscription/payment metadata.
A June 2026 ShinyHunters extortion leak tied to Moody Bible Institute has been indexed by leaksear.ch with 2,225,599 records. The data includes emails, names, phone numbers, dates of birth, and physical addresses tied to donor, supporter, student, and alumni information.
A July 2026 ShinyHunters-linked Fluke leak has been indexed as a 30,240-record subset on leaksear.ch. The records include corporate account identifiers, emails, account metadata, and saved-browser credential fields, creating phishing and credential-reuse risk for affected people and organizations.