GGPoker has banned PokerTracker 4, Hold’em Manager 3, Hand2Note and every other third-party poker program from running alongside its software, ending a long-standing allowance that many serious online players relied on. The operator announced the change on Thursday, October 15, in a post that also appears on GGPoker.ca, its Ontario site. For the province’s largest online poker room, it is one of the most significant rule changes since the regulated market opened in 2022.
The ban is a direct response to what players have called the superuser scandal. Over the past three weeks, investigators found that tampered updates to two table-management tools had let an attacker watch high-stakes players’ screens, including their hole cards, in real time.
What Changes for Ontario Players
“Previously, we permitted certain third-party tools that did not affect gameplay,” GGPoker wrote. “However, following the recent incident, we are tightening this policy to better protect our players and reduce the risk of a similar incident.” The operator asks players to fully close any such application before launching the client.
The five measures announced by GGPoker
- Tools ban: All third-party poker software and automation tools are prohibited, including Jurojin, PokerTracker 4, Hand2Note, Holdem Manager 3, StarsCaption, DriveHUD 2, Intuitive Tables, Lobbyze, Equilab and AutoHotkey.
- Client Security: Four optional features. Screen Guard blocks screenshots, recordings, screen shares and remote viewing; Connection Monitor, Allowed Processes and DNS Check flag suspicious apps and network activity.
- Win-Rate Anomaly Detection: A new check for players whose decisions are correct far more often than honest play allows, given the cards opponents actually held.
- Legacy systems: Support for Windows 7, 8 and 8.1 and macOS 11 or earlier ends in 2027.
- Victim support: Funds traced and reported to Coinbase, industry networks and law enforcement.
The practical effect is largest for players who track their results or study opponents with a database. GGPoker’s own built-in tools, including Smart HUD and PokerCraft, are not affected, as our GGPoker Ontario review describes. Our guide to HUD and tracking software predates this change and will be updated.
How the Hack Worked
Jurojin, the maker of a widely used table-management suite, confirmed on October 1 that an attacker had swapped its update packages for a select group of users between June 2025 and June 2026, and named IntuitiveTables as a second target, according to P4Poker. The tampered updates installed Mesh Agent, a component of legitimate open-source remote-management software, which is why antivirus programs did not flag it. On an infected machine it gave a live view of the screen, according to Deadspin, which reported that about 30 high-stakes players were affected between March 2024 and June 2026.
Jurojin told users that only a handful of players suffered in-game exposure of their hole cards, Poker Shield reported. The company has also argued that third-party tools should not be treated as the threat in themselves, PokerStrategy noted.
A Canadian at the Centre
Players investigating the breach have linked a Canadian high-stakes player, Paul Gregg, to accounts on GGPoker, CoinPoker and the Winning Poker Network that posted unusual results against compromised opponents. CoinPoker banned an account called “Europe” and redistributed more than US$100,000 to the players it had beaten, according to Deadspin. Mr. Gregg has not been charged, no site has published a finding against him, and he has not responded publicly to the allegations. GGPoker did not name any player in its announcement.
None of the reports reviewed by OntarioPoker.com say the alleged activity took place in Ontario’s ring-fenced player pool. Most of the affected games appear to have been high-stakes cash tables on international sites.
An Industry Moving the Same Way
GGPoker is not alone. The Winning Poker Network has launched its own Screen Shield feature to block screen-capture tools from viewing its tables, PlayUSA reported. GGPoker’s Screen Guard is optional, which PokerStrategy notes lets streamers keep broadcasting while protecting players who are not on camera.
PokerStrategy’s Barry Carter called the ban unfortunate for tools such as PokerTracker 4, which was not compromised, but predicted other operators would follow the market leader. Whether Ontario’s other regulated rooms will do so is not yet known.
What Players Should Do
GGPoker advises players to check their computers for unfamiliar remote-access or screen-sharing software, run a full antivirus scan, keep their operating systems up to date, and enable two-factor authentication, passkeys and a fund password on their accounts. Players on older Windows or Mac systems will need to upgrade to at least Windows 10 or macOS 12 before support ends in 2027. More general advice is in our Ontario poker safety and security guide.
Reporting draws on GGPoker’s announcement of October 15, 2026, published on GGPoker.ca, and on coverage by PokerStrategy, Deadspin, Poker Shield, P4Poker and PlayUSA. The allegations against Paul Gregg have not been tested in any court or regulatory proceeding. The illustration is AI-generated for editorial purposes. Online poker in Ontario is limited to players aged 19 or over who are physically located in the province. Free, confidential help is available 24 hours a day from ConnexOntario at 1-866-531-2600.