Canadian Centre for Cyber Security
@cybercentre_ca
This account is not monitored 24/7 and does not act as a reporting platform. Suivez-nous en français : @CentreCyber_ca
#CyberAlert | Critical Microsoft SharePoint Server vulnerability On July 19, Microsoft published guidance for a critical SharePoint vulnerability (CVE-2025-53770). The Cyber Centre is aware of exploitation happening in Canada. cyber.gc.ca/en/alerts-advi…

#CyberAlerts | Multiple security advisories: ABB, Mozilla, Sophos, Cisco. We encourage users and administrators to review and apply the necessary updates. For more information: cyber.gc.ca/en/alerts-advi…

Know how to recover from a #ransomware attack. - Isolate infected devices - Report the incident to law enforcement, @canantifraud, and the @CyberCentre_ca - Reset credentials - Wipe devices, reinstall OS and restore from a secure backup Learn more: cyber.gc.ca/en/guidance/ra…

#CyberAlerts | Multiple security advisories: CrushFTP, Microsoft, Ubuntu, CISA ICS, IBM, Dell, Red Hat, Grafana, ISC BIND. We encourage users and administrators to review and apply the necessary updates. For more information: cyber.gc.ca/en/alerts-advi…

Cybercriminals often impersonate trusted organisations to pressure you into revealing sensitive information. Always verify the sender if they request your personal or confidential information with urgency Stay vigilant against #phishing attacks from illegitimate companies.

Do you know the main threats to your digital identity? They include: - Phishing - Social Engineering - Deepfakes - Third-party data breaches Learn more about these and ways to protect yourself: cyber.gc.ca/en/guidance/pr…

Citrix NetScaler - Update 2 As a precaution, we recommend that all users who have logged into Citrix Netscaler since the beginning of June reset their credentials and that all active user sessions be invalidated. More details: cyber.gc.ca/en/alerts-advi…
#CyberAlert | Vulnerabilities impacting Citrix NetScaler ADC and NetScaler Gateway We are aware of the security advisories published by Citrix for critical vulnerabilities, CVE-2025-5349, CVE-2025-5777 and CVE-2025-6543. cyber.gc.ca/en/alerts-advi… 🧵
#CyberAlerts | Multiple security advisories: HPE, Microsoft Edge. We encourage users and administrators to review and apply the necessary updates. For more information: cyber.gc.ca/en/alerts-advi…

#Disinfo can be hard to spot. Learn more: Canada.ca/disinformation
We’re all vulnerable to #disinformation that confirms what we already believe. That’s how it spreads. If it raises your eyebrow, check the facts. For more tips: canada.ca/en/campaign/on…
#CyberAlerts | Multiple security advisories: Google Chrome, HPE, Cisco, and the Oracle quarterly rollup We encourage users and administrators to review and apply the necessary updates. For more information: cyber.gc.ca/en/alerts-advi…
