CYBER INCIDENTS → SECURITY DECISIONS

Beyond the breach.
What it means for your defenses.

What happened, how it changes your security posture, and which teams should pay attention. Thoughtful breach analysis in English and Japanese.

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Latest analysis

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8 articles

Shadow AI on .si domains: when “AI” became “SI”.

A US rename and a .si registration rush give unvetted AI tools a new name that word-based proxy, DLP and policy controls may not catch.

The posture question

Do your acceptable-use policy, proxy categories and DLP rules still apply when an AI tool calls itself “SI” and lives on a week-old .si domain?

SIEMEDREmail SecurityLegal / PrivacyIT OperationsThird-party Risk
·7 min readRead the analysis

DIVD’s Zammad breach: the help desk belongs in the trust map.

A support platform can connect sensitive conversations, privileged workflows, and the rest of the environment.

The posture question

Review what the support platform can reach and what its service account can do, as well as the software version.

EDRSIEMIT OperationsLegal / Privacy
·3 min readRead the analysis

Pentagon personnel-data exposure: patching does not close the data question.

A long reported exposure window shifts the review toward retention, historical evidence, data ownership, and targeted impersonation.

The posture question

Can the incident team reconstruct historical data access after the vulnerable service has already been patched?

SIEMLegal / PrivacyIT OperationsEmail Security
·3 min readRead the analysis

JAEA: count the people, not just the downloaded files.

JAEA’s cloud-service disclosure highlights sensitive uploads, supplier evidence, and the limits of an endpoint-only investigation.

The posture question

Can your cloud provider reconstruct exactly which sensitive uploads were accessed, and connect each file to an affected person?

SIEMLegal / PrivacyIT OperationsThird-party Risk
·3 min readRead the analysis

MetaMask: an infrastructure incident needs a precise boundary.

What an infrastructure incident means for service owners, key custody, partner assurance, and follow-on impersonation.

The posture question

Separate infrastructure access, signing authority, and withdrawal authority before deciding what is actually at risk.

IT OperationsSIEMEmail SecurityThird-party Risk
·3 min readRead the analysis

MOVEit: a file-transfer breach is a data-exposure problem.

A look back at the 2023 MOVEit campaign: what it means for EDR, SIEM, email security, legal, and the teams responsible for third-party data.

The posture question

If a trusted transfer service is compromised, can you establish which data it held, who else used it, and what evidence is still available?

EDRSIEMEmail SecurityLegal / PrivacyIT OperationsThird-party Risk
·5 min readRead the analysis

NetScaler: investigate the appliance after closing the vulnerability.

New post-exploitation reporting offers leads for appliance logs, configuration exposure, and privileged changes.

The posture question

Who owns the investigation when an internet-facing appliance cannot provide the same telemetry as a managed endpoint?

SIEMIT OperationsEDRLegal / Privacy
·3 min readRead the analysis

Zimbra: email security also needs visibility into the mail server.

Microsoft’s exploitation report connects a mail-server weakness to host activity and published network indicators.

The posture question

Treat mail delivery, host execution, and administrative trust as connected investigation surfaces.

Email SecurityEDRSIEMIT OperationsLegal / Privacy
·3 min readRead the analysis