Community & retail
Recognized local names
Our client community includes Crime Stoppers Niagara, Merrittville Speedway, and two local Shoppers Drug Mart franchise owners.
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JTG Systems

LockBit, BlackCat, and Phobos variants are stoppable—move fast before encryption spreads.
We are the highest-rated computer company in Niagara.
JTG Systems delivers rapid containment, decryptor research, and clean rebuilds so Niagara businesses can reopen without rewarding attackers.
Disconnect infected systems from Wi-Fi and LAN to halt lateral movement.
Photograph ransom notes, payment IDs, and extension names before powering down.
Do not wipe machines yet—volatile evidence and potential private keys may still be recoverable.
Call JTG Systems immediately so we can isolate backups, check decryptor availability, and coordinate with insurers.
Stop the lateral movement before the domain controller is compromised.
Call Crisis Desk NowTrusted by Niagara residents and businesses.
Fast turnaround on most diagnostics and repairs.
Workmanship coverage on qualifying services.
Deep, multi‑vendor expertise across PC, Mac, and mobile.
100% free professional assessment.
Best Computer Repair — local Readers’ Choice.
Recognized in St. Catharines area.
Listed in 2019 and 2024.
File extensions suddenly change to random characters
Wallpaper replaced with a ransom note timer
Shadow copies deleted and backups failing
SMB shares filling with HOW_TO_DECRYPT files
AV disabled and services crash on startup
Built on a foundation of integrity, expertise, and community trust.
Proudly serving the entire Niagara Region since 2005.
Consistently rated 4.9/5 on Google by happy customers.
Disciplined, security-minded service praised by individual police-service members.
The only computer shop partnered with Crime Stoppers Niagara.
Trusted across Niagara
People bring us the technology their work, finances, and daily lives depend on. That trust has grown through careful service, strong security practices, and word-of-mouth recommendations.
Community & retail
Our client community includes Crime Stoppers Niagara, Merrittville Speedway, and two local Shoppers Drug Mart franchise owners.
Individual police-service members
We have serviced more than 10 individual NRPS members, who speak highly of our work. Police services do not directly endorse private businesses.
Financial & legal professionals
We support the tax and accounting systems used by Jboey CPA, along with computers used by financial advisors, real-estate lawyers, and other professionals who handle sensitive information.
Cyber-fraud recovery
Local banks regularly refer cyber-fraud victims to us. We secure affected laptops and phones so clients can meet their bank’s requirements to reactivate their accounts.
Automotive businesses
Joe’s Garage in Port Colborne and Burkholder in Welland are among the local automotive businesses that rely on JTG Systems.
Owner-led local services
ALR Private Car Services (Greg), Integrity Cleaning Services Inc. (Rachel), and many more valued local clients choose JTG Systems.
Ask around Niagara—there is a good chance someone you trust already recommends JTG Systems. Some clients even drive from Grimsby because they value the service they receive here.
Specialized recovery protocols for businesses and infrastructure that require high-uptime security standards.
Your files have been encrypted and are inaccessible without a decryption key.
You receive ransom demands with payment deadlines to regain access to your data.
You are locked out of your own system and unable to perform any actions.
Your data has been corrupted or partially encrypted during the ransomware attack.
Even your backups have been encrypted or deleted by sophisticated ransomware.
The ransomware has spread across your entire network, infecting multiple machines.
Recovery from WannaCry and variants that exploit SMB vulnerabilities in outdated Windows systems.
Handling LockBit 3.0 and BlackCat which target businesses and encrypt critical server data.
Dealing with ransomware infections from malicious email attachments and fake invoice links.
Recovering data from advanced attacks that bypass traditional security measures.
We isolate affected hosts, capture forensic images, and preserve logs for potential legal action.
Our team checks global decryptor databases and negotiates only when a working decryptor is confirmed.
We rebuild servers from clean backups or carve unencrypted copies where the malware failed to overwrite fully.
Clients receive incident reports, EDR recommendations, and MFA/segmentation plans to prevent repeat attacks.
We work with cyber insurance and law enforcement partners to document the incident and recover safely using forensics-first protocols.