O grupo de ransomware Warlock, ligado à China, atingiu uma empresa de saneamento, uma operadora de telecomunicações, um órgão governamental regional e uma universidade ao explorar vulnerabilidades do SharePoint para obter acesso inicial.
O grupo de ransomware Warlock, ligado à China, atingiu uma empresa de saneamento, uma operadora de telecomunicações, um órgão governamental regional e uma universidade ao explorar vulnerabilidades do SharePoint para obter acesso inicial.
Em contexto
- Tema: Ciberseguridad — Riesgo, identidad, respuesta a incidentes y cumplimiento.
- Fonte: CISO Advisor
- Publicado: 04/10/2026
Continuar lendo na fonte original →
Trecho publicado automaticamente pelo radar do site. O texto completo pertence ao veículo e está vinculado acima.
Why it matters
In security the story is rarely the attack. It is the time between the intrusion and somebody noticing. That number says more about an organisation than any certificate hanging on the reception wall.
My way of reading these cases is to ask what failed in the process, not what failed in the machine. Behind nearly every incident there is a reasonable decision taken under pressure: granting a permission to unblock somebody, postponing an update because it was month-end. That is where the lesson lives.
What usually goes wrong
What I see fail most is the backup. It is configured, it runs every night, nobody checks it. The day you need to restore, it turns out it had been failing silently for four months, or that everything was backed up except exactly what was needed. A backup never restored is an assumption.
What to watch
- What could be restored and how fast — a backup that was never tested does not count.
- How it was communicated to customers and regulators, which is where reputational cost is decided.
- Whether third parties or suppliers were in the chain, because the perimeter now includes partners.
How I read this entry
What I would review this very week is access: accounts belonging to people who left, permissions that grew without anyone trimming them, and shared credentials everybody swears do not exist. It is the least glamorous work and the one that cuts off the most attacks.
The original story is published in another language; the excerpt is quoted as the publisher delivers it and the commentary is written in English.
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Living through this in your own team?
Open the chat and tell me how you're handling it. I'm interested in comparing notes.
