Incidents in country:
25 incidents catalogued
Japanese beverage group Sapporo Holdings disclosed suspected unauthorised access at its overseas subsidiaries Pokka in Singapore and Sleeman Breweries in Canada, shutting down affected systems to investigate.
Nissan's Americas operations disclosed that attackers exploiting a zero-day in Oracle PeopleSoft accessed sensitive data belonging to current and former employees in the United States, Canada, Mexico and Brazil.
Attackers used a customer account to exploit a system vulnerability at Canadian utility London Hydro, potentially accessing the names, contact details and account information of other customers.
A dormant API credential let attackers compromise competitive-intelligence platform Klue and harvest OAuth tokens for customers' connected apps, exfiltrating Salesforce records from firms including Huntress and Recorded Future in a supply-chain attack later tied to the Icarus extortion group.
Google's Threat Intelligence Group disclosed that PRC-nexus actor UNC6508 spent more than a year inside U.S. and Canadian medical, academic and military-health research environments, compromising legacy REDCap servers, deploying custom INFINITERED malware and abusing Google Workspace email compliance rules to silently exfiltrate research and defense data.
In October 2025, retailer Canadian Tire was the victim of a data breach that exposed almost 42M records. The data contained 38M unique email addresses along with names, phone numbers and physical addresses.
A breach of data broker National Public Data (Jerico Pictures) exposed a database of roughly 2.9 billion records containing names, Social Security numbers, dates of birth, and addresses scraped from public and non-public sources, triggering a wave of lawsuits and the company's bankruptcy.
BlackSuit operators encrypted CDK Global's dealer-management platform, knocking ~15,000 North American car dealerships offline for nearly two weeks. A second attack hit on day two of recovery. Industry losses estimated at over $1 billion; CDK reportedly paid a $25 million ransom.
In March 2024, the Canadian national citizens' campaign for proportional representation Fair Vote Canada suffered a data breach. The incident was attributed to "a well-meaning volunteer" who inadvertently exposed data from 2020 which included 134k unique email addresses, names, physical addresses,…
Cl0p exploited CVE-2023-34362 in Progress Software's MOVEit Transfer to mass-extort over 2,700 organizations, including the BBC, British Airways, and the U.S. Department of Energy.
LockBit affiliates encrypted Canada's largest bookseller, taking the website and in-store payment systems offline for weeks. Indigo publicly refused the ransom; LockBit published employee personal data.
In January 2023, Pitt Meadows School District 42 in British Columbia suffered a data breach. The incident exposed the names and email addresses of approximately 19k students and staff which were consequently redistributed on a popular hacking forum.
Toronto's Hospital for Sick Children was hit by a ransomware attack over the December 2022 holidays that delayed lab and imaging results; in a rare move, the LockBit gang apologized, blamed a rogue affiliate, and released a free decryptor.
A Hive ransomware attack on Newfoundland and Labrador's health-care network crippled IT systems across the province, forcing the cancellation of thousands of appointments and procedures in what officials called the worst cyberattack in Canadian history.
REvil affiliates encrypted the world's largest meat processor, shutting down beef and pork plants across the U.S., Canada, and Australia. JBS paid an $11 million ransom — one of the largest publicly-confirmed ransomware payments at the time.
In March 2023, "Canada's online shopping mall" Shopper+ disclosed a data breach discovered on a public hacking forum. The breach dated back to September 2020 and included 878k customer records with email and physical addresses, names, phone numbers and in some cases, genders and dates of birth.
In mid-2020, the user-generated stories platform Wattpad suffered a breach exposing roughly 268.8 million records, including names, email addresses, dates of birth, and bcrypt-hashed passwords. The database was first sold privately, then leaked for free on a hacking forum.
Canada's largest medical-testing laboratory disclosed that attackers had accessed health data on roughly 15 million customers, paid an undisclosed ransom to retrieve the stolen records, and was later found by privacy regulators to have failed to safeguard the information.
Former AWS engineer Paige Thompson exploited a misconfigured Web Application Firewall to extract personal data on roughly 106 million Capital One credit-card applicants and customers from S3.
An insider at Desjardins — the largest financial cooperative in Canada — exfiltrated personal data on 9.7 million members and businesses over two years before being caught. The defining Canadian insider-threat case.
An unpatched Apache Struts vulnerability let attackers exfiltrate Social Security numbers, dates of birth, addresses, and driver's license numbers for 147 million U.S., U.K., and Canadian consumers.
In May 2017, the Bell telecommunications company in Canada suffered a data breach resulting in the exposure of millions of customer records. The data was consequently leaked online with a message from the attacker stating that they were "releasing a significant portion of Bell.ca's data due to the…
A group calling itself the Impact Team breached infidelity dating site Ashley Madison, then dumped the account data of roughly 32 million users — names, emails, sexual preferences and payment records — after parent company Avid Life Media refused to shut the site down.
Attackers used a vendor's stolen credentials and custom point-of-sale malware to harvest about 56 million payment cards and 53 million email addresses from Home Depot's U.S. and Canadian self-checkout systems over five months — the largest retail card breach of its time.
In February 2014, Bell Canada suffered a data breach via the hacker collective known as NullCrew. The breach included data from multiple locations within Bell and exposed email addresses, usernames, user preferences and a number of unencrypted passwords and credit card data from 40,000 records…