Harry Casino, a well‑known UK online gambling venue, disclosed a major data breach that unfolded in early 2026. The incident exposed personal and gaming data of thousands of players, prompting industry‑wide concern. You can review the original notice on the official link, which the casino posted after the breach.

Overview of the Incident

The breach affected multiple data categories, including contact details, authentication hashes, and detailed game‑preference records. Hackers accessed the information through a vulnerable query endpoint, allowing them to extract large data sets in a single operation. The exposure compromised not only basic identifiers but also financial transaction histories and nuanced player behaviour across several popular slots.

How the Breach Occurred

Vulnerability Exploited – SQL injection on the player database server

Security researchers identified that a poorly filtered input field allowed an attacker to inject malicious SQL commands. The attacker used this flaw to pull entire tables from the player database, bypassing authentication checks. Harry Casino’s development team later confirmed that the vulnerable endpoint had remained unpatched for several months.

Timeline of Events – Detection, notification, and remediation timeline

On 12 March 2026, the casino’s internal monitoring system flagged abnormal query volumes. The security team initiated an emergency review and confirmed unauthorized access by 13 March. Harry Casino notified affected users on 14 March, offering free credit‑monitoring for a year. By 20 March, the IT department deployed a comprehensive patch and introduced stricter input validation across all APIs.

Impact on Players and Games

Compromised Personal Information – Names, emails, payment details, and account balances

Players discovered that their full names, email addresses, and encrypted payment tokens were exposed. In addition, the breach revealed current account balances, which could have facilitated targeted phishing attacks. Harry Casino urged users to change passwords immediately and monitor bank statements for suspicious activity.

Affected Game Providers – Booongo (e.g., Sun of Egypt 2, 15 Dragon Pearls: Hold and Win); Gameburger Studios (e.g., Triple Juicy Drops, Absolute Super Reels); Mancala Gaming (e.g., Forest Dreams, Secrets of Cleopatra); BetGames (e.g., Bet on Poker, Lucky 7)

The compromised data included detailed logs of which games each player favoured, revealing patterns that providers could use for future marketing. Booongo, Gameburger Studios, Mancala Gaming, and BetGames all received breach notifications and are reviewing their own data‑handling procedures to prevent collateral exposure.

Response from Casino Operators

Industry Benchmark – How Coral Casino, Vera&John Casino, and Dendera Casino have handled similar incidents (password resets, credit monitoring, regulatory filings)

Coral Casino responded to a 2024 breach by forcing password resets for all accounts and partnering with a UK credit‑monitoring firm. Vera&John Casino filed a prompt report with the Gambling Commission and offered a £50 betting voucher as goodwill. Dendera Casino, after a 2025 incident, implemented mandatory two‑factor authentication and publicly shared its remediation roadmap. Harry Casino adopted similar steps, aligning its response with these industry best practices.

Lessons for Online Casino Security

Importance of Regular Audits and Encryption

Security auditors recommend quarterly penetration testing and full‑disk encryption for all sensitive records. Encryption of passwords using salted bcrypt hashes, combined with TLS 1.3 for data in transit, significantly reduces the risk of successful exploitation.

Player Best Practices – Use unique passwords, enable two-factor authentication

Players should avoid reusing credentials across sites and enable two-factor authentication wherever the casino offers it. Regularly reviewing account activity and setting up transaction alerts can further protect personal funds.

Author

Sigrid Lindqvist is a senior analyst specializing in game provider portfolios and software fairness, with over a decade of experience auditing online gambling platforms for regulatory compliance.

FAQ

Was my data compromised if I played Sun of Egypt 2

If you used a Harry Casino account to play Sun of Egypt 2, your personal details were part of the exposed data set and you should reset your password immediately.