Communications Security Establishment Canada

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Suivez-nous en français : @CST_CSE

[Communications Security Establishment Canada @cse_cst]

#Ransomware can disrupt critical infrastructure and supply chains, affecting the livelihoods of Canadians.

Read the @cybercentre_ca's new Ransomware Threat Outlook 2025-2027 to learn more about these threats: https://t.co/H7AetwhvXV

[Canadian Anti-Fraud Centre @canantifraud]

The Canadian Anti-Fraud Centre is proud to have supported Operation FRONTIER+ III, an international sprint aimed at identifying and disrupting fraud, including illicit transactions, suspicious bank accounts, fraudulent websites, telephone numbers, email accounts, and money mule activity linked to transnational fraud networks.

Between March 10 and May 7, 2026, financial crime and fraud experts from around the globe worked together to coordinate disruptions, share intelligence, and support victims, demonstrating the level of international cooperation required to combat these borderless threats.

Full news release: https://t.co/xetTsYzuXW #kNOwfraud

[Communications Security Establishment Canada @cse_cst]

Cloud-based storage can be beneficial in many ways. Having a service provider take care of your backups frees up resources for your organization, and you can also benefit from their expertise.

Learn more: https://t.co/8exSNNNRIw

[Communications Security Establishment Canada @cse_cst]

Some of the most common scams used against #SMBs in Canada include:
- Phishing
- Malware and ransomware

Stay vigilant. Learn more: https://t.co/Vtn9MmmawX

[Communications Security Establishment Canada @cse_cst]

The FIFA World Cup 2026™ isn’t just a sporting event — it’s a massive digital ecosystem.

With global attention comes global cyber risk: phishing, fake apps, shady sites, and disinformation.

Stay cyber ready: https://t.co/eb4OCvMcr0

#FIFAWorldCup

[Communications Security Establishment Canada @cse_cst]

In 2025, Canada led G7 efforts on the global transition to post quantum cryptography (PQC).

Through CSE, Canada is modernizing systems to secure communications and sovereign decision making.

Read more: https://t.co/Hojd3s1WgY

[Communications Security Establishment Canada @cse_cst]

June is National Indigenous History Month in Canada. We honour the resilience of First Nations, Inuit and Métis and reflect on how we can listen, learn and support reconciliation in meaningful ways.

Join the conversation.
#NIHM2026

[Communications Security Establishment Canada @cse_cst]

At CSE, we are committed to building an accessible and inclusive workplace, and to making our cyber security advice and guidance increasingly accessible to those we serve.
Together, we can help build a stronger, more accessible Canada.

#NAAW2026 #AccessibleCanada

[Communications Security Establishment Canada @cse_cst]

Phishing messages are becoming more subtle and harder to spot.

Check out our blog for simple steps your organization can take to support safer digital habits at home and at work: https://t.co/p7epiP5GFs

[Communications Security Establishment Canada @cse_cst]

“I’m proud to be a part of a workplace that supports having thoughtful conversations about diversity and inclusion…” – S.H., Supervisor, Program Management Office, Cyber Centre

Join a workplace that celebrates your differences: https://t.co/Zftz5SIR4b

[Communications Security Establishment Canada @cse_cst]

Making choices on bad info can hurt more than you think. Pause, check, and choose wisely.

If it raises your eyebrow, it may cause harm. Learn more: https://t.co/tCwi9H88Z5

[Communications Security Establishment Canada @cse_cst]

Online banking offers you the convenience of accessing your financial information at any time and from anywhere. 💳 However, there are some risks involved.

Discover the do's and don'ts of #OnlineBanking: https://t.co/BUyiWwVXLP

[Communications Security Establishment Canada @cse_cst]

In 2011, CSE was recognized as a stand-alone agency allowing us to embrace increased responsibilities and accountability.

Before then, CSE served under the National Defence Portfolio and was guided by the National Defence Act.

#CanadianHistory

[Communications Security Establishment Canada @cse_cst]

At CSE, we celebrate diversity every day. Employee-led networks help shape our EDI strategy and foster a workplace where everyone feels seen, heard, and valued.

Learn more: https://t.co/TLEIX45ih9

[Communications Security Establishment Canada @cse_cst]

The North matters.

CSE’s Chief joined @csiscanada Director, Dan Rogers and other Canadian security partners at NATO HQ to work with Allies on shared Arctic security challenges.

Strong partnerships help protect Canada’s security.
@CanadaNATO

[Communications Security Establishment Canada @cse_cst]

Regardless of the size of your organization, if you are engaged with software suppliers, you will need to consider the risks of a software supply chain.

Take the necessary steps to avoid being a victim of a cyberattack. Read our latest publication: https://t.co/4pDYJrnIs9

[Communications Security Establishment Canada @cse_cst]

The threat level your organization faces is always changing. You can enhance your cyber security plan by understanding the risk to your organization, and taking action.

For more detailed guidance on different threat levels: https://t.co/ZjPkYnqiQi

[Communications Security Establishment Canada @cse_cst]

AI can create convincing fake videos and profiles. Always double-check before trusting what you see online.

If it raises your eyebrow, check the facts: https://t.co/uv7JiYxnXy

[Communications Security Establishment Canada @cse_cst]

With people working from many different locations, it’s important to help teams recognize common #phishing attempts.

Get practical tips in this blog to support your employees in staying secure, wherever they log in: https://t.co/p7epiP5GFs

[Communications Security Establishment Canada @cse_cst]

Did you know? CSE’s predecessor, CBNRC, once shared a building with the Canadian Repertory Theatre. Staff used to listen in at lunch as Christopher Plummer and William Shatner rehearsed.
https://t.co/lz5qdBqEuY

#CanadianHistory

[Communications Security Establishment Canada @cse_cst]

Employee wellness is a top priority at CSE. Every year, we take part in @CMHA_National’s #MentalHealthWeek to celebrate, support, and protect mental well-being.

Join a workplace that puts people first: https://t.co/Zftz5SIR4b