@csiscanada

This account is not monitored 24/7. To report a non-immediate threat, call 613-993-9620. FR: @scrscanada Terms: https://xitter.cf/t.co/kxf5DeKxGN

 Canada
Canada.ca/csis
Joined April 2016
  • Tweets3.2K
  • Following86
  • Followers62.4K
1.8KMedia
In 2025, CSIS alongside other intelligence services released a cybersecurity advisory about Salt Typhoon, which targeted networks globally. Read more about the advisory here: media.defense.gov/2025/Aug/2…
31
61
11
143
10,180
🦃 This Thanksgiving, we reflect on the importance of safety and security in our communities. At CSIS, we are grateful for the dedication of our team and partners who work tirelessly to protect Canada. Wishing everyone a safe and peaceful holiday! 🍁
Fall leaves with text that reads, “Happy Thanksgiving!”

ALT Fall leaves with text that reads, “Happy Thanksgiving!”

49
55
9
248
5,842
CSIS Canada retweeted
Get Cyber Safe
@GetCyberSafeOct 8
63% of Canadians report having experienced a cyber attack. That's millions of people who might be sharing parts of their digital identity without realizing it. This #CyberMonth2026 protect your digital identity and #GetCyberSafe: getcybersafe.gc.ca/en/resour…
3
4
639
Foreign interference is more sophisticated and agile than ever before. Instead of just targeting elections, adversaries exploit everyday news trends to fuel social divides and weaken democratic values. Verify your info before sharing or making arrangements.ow.ly/8OjH50ZWp6J
A woman with a magnifying glass examining floating chat, email, and media icons, while screens display news and “BREAKING NEWS” in a lively digital illustration.

ALT A woman with a magnifying glass examining floating chat, email, and media icons, while screens display news and “BREAKING NEWS” in a lively digital illustration.

179
179
33
321
19,790
Women have always played a critical role in Canadian intelligence. This October, we’re celebrating the diverse women at CSIS who help protect Canada’s national security.
Black and white group picture with 8 women in colour. Identity of the individual are hidden

ALT Black and white group picture with 8 women in colour. Identity of the individual are hidden

80
37
14
220
14,312
Today, we honour the children who never came home, the survivors of residential schools, and their families and communities. By wearing an orange shirt, we acknowledge stripping away the culture, freedom and self-esteem experienced by Indigenous children over generations.
48
37
5
120
5,072
🚫📠 CSIS is embracing the future and has officially started retiring some fax machines! For all public inquiries, see our website for the best ways to contact us, and please stop sending faxes, unless it’s a top-secret cookie recipe... 🍪 ow.ly/EiPE50ZSP6r
51
35
39
315
32,381
CSIS Canada retweeted
Foreign Policy CAN
@CanadaFPSep 18
Canada stands in solidarity with #Japan and allies in urging all countries, companies, and other entities to deepen their understanding of the risks posed by IT workers deployed by the North Korean regime, and to implement measures to counter their tactics.
12
91
5
329
16,122
✅ Answer: All of the above and more! CSIS investigates activities that may pose threats to Canada’s national security and provides intelligence to the Government of Canada to help protect our nation. Stay informed and engaged with our mission! Canada.ca/csis
CSIS Canada
@csiscanadaSep 15
❓Question: What is the primary role of the Canadian Security Intelligence Service (CSIS)?
6%Investigate Threats
9%Provide Intelligence
0%Protect Infrastructure
85%All of the above
80 votes • Final results
62
31
8
108
12,646
❓Question: What is the primary role of the Canadian Security Intelligence Service (CSIS)?
6%Investigate Threats
9%Provide Intelligence
0%Protect Infrastructure
85%All of the above
80 votes • Final results
47
8
8
16
22,396
🕊️ Today marks 25 years since the devastating terrorist attacks of September 11, 2001. We reflect on the profound impact this day had on countless lives and the global community.
47
90
4
436
9,859
May we honour the memories of those lost by standing united and supporting one another in compassion and resilience.
8
5
1
38
2,224
🌍✨ On Official Languages Day, let’s discuss AI translation risks, it could: -Endanger someone’s health or safety -Cause reputational harm to yourself or your organisation -Misinform or mislead the reader -Result in complaints or legal action If unsure, contact an expert!
4
2
14
2,818
Foreign interference is a persistent threat to Canada and to our democracy inside and outside of election cycles. We encourage all Canadian citizens to stay informed and prepared. ow.ly/lz2e50ZIphM
Human paper shape crowd holding Canadian flags.

ALT Human paper shape crowd holding Canadian flags.

966
594
157
1,536
175,794
As Canada's security intelligence service, we know that the devastating terrorist attacks on September 11, 2001, changed the world, tragically ended many lives, and affected thousands more.
Skyline of New York City with two lights where the Twin Towers used to be.

ALT Skyline of New York City with two lights where the Twin Towers used to be.

1,135
1,748
358
14,339
884,891
They serve as a heartbreaking reminder of the importance of the counter-terrorism work we do in support of Canadians, alongside our US neighbours and many others around the globe.
75
141
7
2,564
95,332
🕯️On this International Day of Remembrance and Tribute to the Victims of Terrorism, we honour the lives lost and forever changed by terrorism. CSIS remains committed to exercising its duty to protect Canadians from acts of terrorism.
Image of a white candle and white flower.

ALT Image of a white candle and white flower.

31
38
6
197
15,256
CSIS Canada retweeted
Foreign Policy CAN
@CanadaFPAug 14
This graphic was made with the help of AI. AI can inform. AI can deceive. That’s why transparency matters. #ThinkBeforeYouShare
[AI-generated] You laughed at it. Maybe you shared it. Foreign regimes now use AI, trained on Western data, to mimic your humour, your aesthetic, your language. It doesn't feel like propaganda. #ThinkBeforeYouShare

ALT [AI-generated] You laughed at it. Maybe you shared it. Foreign regimes now use AI, trained on Western data, to mimic your humour, your aesthetic, your language. It doesn't feel like propaganda. #ThinkBeforeYouShare

26
41
8
34
6,531
On this National Financial Awareness Day, here are a few tips to protect your online finances from fraudulent activities. 🔒Use strong password 📊Monitor your activities 🛡️Secure your personal information Report any suspicious cyber activities: reportcyberandfraud.canada.c…
Individual protecting their personal information online.

ALT Individual protecting their personal information online.

8
7
2
14
5,592
It’s true ✅ You must be a Canadian citizen in order to work for CSIS.
Shadow of individuals holding Canadian flags.

ALT Shadow of individuals holding Canadian flags.

CSIS Canada
@csiscanadaAug 12
True or false? You must be a Canadian citizen to work for CSIS.
73%True
27%False
3,248 votes • Final results
90
30
12
330
37,928
Load more