The Cyber Centre issues alerts and advisories on potential, imminent or actual cyber threats, vulnerabilities or incidents affecting Canada's critical infrastructure.

August 18, 2025 - Ganong in St. Stephen hit by ransomware cyber attack ... No signs of privacy breach 'at this point,' says Hamilton school board as it investigates 'cyber incident'

While the proportion of Canadian ... of attack were significantly more prevalent. Identity theft had the largest change, with just under one-third (31%) of impacted businesses experiencing incidents using that method....

Manitoba's auditor general says a rural municipality failed to properly investigate a cyber attack that resulted in the loss of hundreds of thousands of dollars. ... Ontario Health atHome was told by one of its vendors about a cyber incident on April 14, according to new information. It waited until June 27 to begin telling patients. ... The Toronto District School Board says in a letter to parents and caregivers that it recently learned the data was not destroyed and a "threat actor" has demanded ransom. ... Canada's privacy commissioner is communicating with PowerSchool after its software -- used by schools across North America -- was the subject of a data breach.

Bulletin on People’s Republic of China-sponsored cyber activity against various levels of government in Canada

Today's issues Compliance. Transformed. ... How government and public-sector leaders can foster cyber resilience while laying the foundation for new citizen services. ... Contributors: Charles Eckert, Partner, Cybersecurity, Privacy and Financial Crime, PwC Canada Justin Abel, Partner, PwC Canada · For government and public-sector organizations, the damage caused by a cyber attack extends beyond its direct financial and operational costs.

The Cowichan Valley School District says it's investigating a "cyber incident" that affected some of its systems and operations, including internet services and its website. ... Trump’s D.C. police takeover ‘unsettling and unprecedented’: Mayor Bowser ... ‘We are not compensated’: What are Air Canada flight attendants asking for as strike deadline looms?

Compared to 2019 statistics, the frequency of security breaches today has increased by 20%, meaning that every 11 seconds one ransomware attack happens in any part of the world and Canada is no ...

Read the latest Canada cybersecurity news from The Daily Swig. Canada is partaking in a number of initiatives to promote security awareness and reduce cybercrim

July 4, 2025 - Here’s a snapshot of major cyber ... year: Nova Scotia Power & Emera (April 2025): A disruptive cyberattack shut down IT systems and disrupted customer service, though power supply was not affected · RCMP Data Breach (February 2025): The Royal ...

State-sponsored cyber threat actors are almost certainly combining disruptive computer network attacks with online information campaigns to intimidate and shape public opinion. State-sponsored cyber threat actors are very likely targeting critical infrastructure networks in Canada and allied countries to pre-position for possible future disruptive or destructive cyber operations. The People’s Republic of China’s (PRC) expansive and aggressive cyber program presents the most sophisticated and active state cyber threat to Canada today.

In August 2020, the Canada Revenue Agency (CRA) fell victim to two separate cyberattacks that together led to the compromise of more than 11,000 individual online accounts. The attacks took advantage of a credential stuffing technique, where hackers used previously stolen usernames and passwords from unrelated breaches to gain access to CRA accounts.

October 30, 2024 - The People’s Republic of China’s (PRC) expansive and aggressive cyber program presents the most sophisticated and active state cyber threat to Canada today.

Hackers temporarily disrupted the Canadian Armed Forces website for several hours on September 28. At the same time, a DDoS attack claimed by the hacking group Indian Cyber Force affected the House of Commons and Elections Canada website.

July 14, 2025 - The Royal Canadian Mounted Police (RCMP) is investigating an “alarming” cyberattack that targeted its networks on Friday, the federal agency announced.

There was a steady rise in the number of business email compromise attacks and phishing campaigns aimed at Canadian organizations. As Canadian companies continued to embrace cloud solutions, threat actors increasingly focused on identifying and exploiting unexpected or unknown vulnerabilities and gaps in their cyber defences.

June 15, 2025 - And our goal is to raise cyber resilience across Canada. We fall under CSE, which is the Communications Security Establishment, and CSE has a mandate for foreign intelligence, which goes back 80 years in terms of WW II. We report to the minister of national defence. What do you make of the recent attack against Nova Scotia Power, which did ultimately affect about 280,000 customers?

April 3, 2024 - Over the last few months, there has been a slew of high-profile cyberattacks against big Canadian retailers, critical infrastructure systems and, most recently, the City of Hamilton.

We are aware that this incident has affected our community in a direct way, and again, we are deeply sorry for this. Know that we are also committed to strengthening our cybersecurity program to better protect against future incidents. We have reported the incident to the Brockville Police Service and the Information and Privacy Commissioner of Ontario (IPC).

January 21, 2025 - For example, the cost of a 2024 ransomware attack on the City of Hamilton has already exceeded $7 million, which will directly impact the ongoing provision of public services. Therefore, taxpayers pay far more if preventative measures are not taken. Municipalities need to implement a robust cyber security strategy.