- Cyber Threat Intelligence, Vulnerability Notification
Extraordinary NDV – Cisco Identity Services Engine (ISE)
This NDV alerts about a critical flaw in Cisco ISE and guides urgent actions to prevent exploitation.
- Cyber Threat Intelligence, Vulnerability Notification
Monthly IT NDV – July/2025
This month’s report highlights critical flaws and guides actions to reduce risks before they cause damage.
- Cyber Threat Intelligence, Intelligence Bulletin
Attack on C&M Software and the Brazilian BaaS Landscape
In this Intelligence Briefing, SEK analyzes how a single attack led to millions in losses and impacted several financial institutions. Discover the attack vectors and strategic lessons for the sector.
- Cyber Threat Intelligence, Emergency Announcement
Federal Police investigates large-scale cyberattack against Brazilian financial system service provider
According to information from CNN Brasil, the PF (Federal Police) and the BC (Central Bank) are investigating a cyberattack against C&M Software, a technology...
- Cyber Threat Intelligence, Notificação de Vulnerabilidades OT/ICS
Vulnerability Notification (VN) OT/ICS – June/2025
The OT‑ICS Vulnerability Notification – June 2025 highlights recent flaws in industrial systems that put operations at risk. SEK identifies the month’s most critical points and recommends immediate corrective actions.
- Cyber Threat Intelligence, Emergency Announcement
Microsoft announces that enterprises must migrate to new authentication policy in Entra ID by September 2025
Microsoft has announced that, as of September 30, 2025, legacy multi-factor authentication (MFA) and self-service password reset (SSPR) configurations will be migrated to Microsoft...
- News
Vulnerability Notification (VN) – June/2025
The Vulnerability Notification (VND) – June/2025 brings the main vulnerabilities identified in the last month, in an analysis carried out by the SEK Threat Intelligence team.
- Cyber Threat Intelligence, Intelligence Bulletin
Fake invoice fraud: how to protect yourself
Alerta de ciberfraude: el regreso del “Boleto Falso” Delincuentes están suplantando empresas legítimas y enviando boletos bancarios fraudulentos a clientes y proveedores. El objetivo: desviar pagos y causar pérdidas financieras significativas.
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