2026 TLDR.tech — ~1.23M subscriber/professional profiles exposed (Whiteintel/XON; unverified by company)
Data compromised
Emails, names, usernames, locations, LinkedIn/social profiles, job titles/seniority, company details, career history (Whiteintel / XON field lists)
Technical writeup
Unverified company confirmation — Whiteintel (Mar 14, 2026) and XposedOrNot H1 2026 index TLDR.tech at ~1.23M records with rich professional fields beyond newsletter emails (LinkedIn IDs, job history, company details). No TLDR.tech customer notice confirming the corpus found at catalog time. High spear-phishing value for tech professionals. recordsAffected 1230792 (XON); companyConfirmed false.
Root cause
Unverified / third-party indexed exposure of TLDR.tech subscriber and enriched professional profile data (March 2026)