Communications Security Establishment Canada

This account is not monitored 24/7 and does not act as a reporting platform.
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

[Communications Security Establishment Canada @cse_cst]

In 1946 Edward Drake was named Director of the Communications Branch of the National Research Council.

25 years later, that Branch became CSE. Today, our headquarters are named after him - the Edward Drake Building.

#CanadianHistory

[Communications Security Establishment Canada @cse_cst]

Curious about a job at CSE?

We’ll be at CU Hacking from July 10–12 at Carleton University.

Stop by our booth to chat with our recruiters.

#CSECareers #CyberSecurity

[Communications Security Establishment Canada @cse_cst]

Bill C-8 is now law, strengthening the resilience of the systems Canadians rely on every day. The Cyber Centre will support implementation with advice and guidance.

Learn more: https://t.co/UDzR7d2ZgG

[Communications Security Establishment Canada @cse_cst]

ICYMI Our 2025-26 Annual Report is live.
Real results for Canadians – from countering cyber threats to helping protect Canadians online.

https://t.co/XQDfICkF5a

#CyberSecurity

[Communications Security Establishment Canada @cse_cst]

Before your organization uses drones, make sure cyber security is part of the flight plan.

Learn how to protect your business if you’re considering using them for operational purposes.

https://t.co/myBnAVlUuZ

#CyberSecurity

[Communications Security Establishment Canada @cse_cst]

#CyberAlert | Critical vulnerability impacting Microsoft SharePoint Server

https://t.co/4KiIXS7V9K

[Communications Security Establishment Canada @cse_cst]

Headed to a FIFA World Cup 2026™ match? Before you connect to the nearest network, remember that events can be prime risk for IMSI catchers—fake cell towers designed to intercept your mobile data.

Learn how to protect your devices and data:
https://t.co/Ylw5ANzg1s

[Communications Security Establishment Canada @cse_cst]

Happy Canada Day!
Today, we celebrate the people, places and spirit that make this country strong. We’re proud to support Canada’s safety and security, at home and abroad, and help protect this country we call home.

https://t.co/8stlKWBO2A

[Communications Security Establishment Canada @cse_cst]

Our 2025–26 Annual Report is now live.

Delivering real results on Canada’s digital frontline of defence. Explore how we strengthened Canada’s security, resilience and digital sovereignty:

https://t.co/XQDfICkF5a

#cybersecurity

[Communications Security Establishment Canada @cse_cst]

When purchasing products and services using cryptography, security is key.

The Cyber Centre's guidance highlights important security considerations for your organization: https://t.co/5LJ1DnSqEX

[Privy Council Office @PrivyCouncilCA]

The Clerk’s 33rd Annual Report to the Prime Minister on the Public Service of Canada is now available! 📘✨

Explore key accomplishments from the past year and priorities for the year ahead: https://t.co/i28JcYMb8D

[Prime Minister of Canada @CanadianPM]

The world is changing rapidly, and AI is at the centre of this transformation.

Canada’s new national AI strategy, AI for All, is about making sure that this transformation benefits all Canadians.

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

[Communications Security Establishment Canada @cse_cst]

On National Indigenous Peoples Day, we recognize the traditions, cultures and contributions of First Nations, Inuit and Métis across Canada, and reflect on the importance of listening, learning and respect. Learn more: https://t.co/4FsW3wnfbx
#NIPD2026

[Communications Security Establishment Canada @cse_cst]

Did you know your SIM card can be hijacked without someone touching your phone?

SIM swapping attacks are on the rise — and they can give scammers access to your accounts.

Learn how to protect yourself: https://t.co/LVo1roKodV

[Communications Security Establishment Canada @cse_cst]

Screenshots can be misleading since they can be cropped or altered. Check the original source before you share.

If it raises your eyebrow, compare before you share! https://t.co/KngjXBbWoA

[Public Safety Canada @Safety_Canada]

Today, Bill C-8, An Act Respecting Cyber Security, received Royal Assent. This important legislation protects Canada’s #CriticalInfrastructure systems against growing cyber threats and major outages. Learn more: https://t.co/MKfXWUvMWr

[Prime Minister of Canada @CanadianPM]

Statement by Prime Minister Carney on National Public Service Week: https://t.co/GUqC0INesP

[Privy Council Office @PrivyCouncilCA]

This National Public Service Week, we recognize the dedication and impact of all PCO and #GC employees across Canada. Your work supports Canadians every day. Thank you for your service to Canada. #NPSW

— Clerk Sabia, Deputy Clerk Mondou

[Communications Security Establishment Canada @cse_cst]

Comfort. Focus. Safety.

CSE’s ergonomic, modern offices feature sit-stand desks, and quiet zones—so you can do your best work while protecting Canadians.

Learn more: https://t.co/mM6HmrArhk

[Communications Security Establishment Canada @cse_cst]

A full stadium lit up by thousands of mobile devices during FIFA World Cup 2026™ is an impressive sight – but big crowds also attract threat actors.

SMS blasters can fuel smishing scams that lead to stolen credentials.

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