RackTop Systems

Topic · 9 articles

NAS & File Shares

Securing the file infrastructure where unstructured data actually lives.

Spans Threat Brief, Practitioner Guide, Cyberstorage Explainer and Sector Spotlight.

Threat BriefAugust 12, 2026

Gunra ransomware: a six-agency warning that ends at your file shares

A joint advisory from the FBI, CISA, NSA, and international partners details how Gunra ransomware moves from a firewall CVE to file servers over SMB, stealing documents and databases before encrypting. The advisory is a case study in why NAS ransomware protection has to live at the storage layer.

5 min read

Practitioner GuideAugust 9, 2026

NAS ransomware protection: catch the attack by how it behaves

Real NAS ransomware protection is not a signature list or a nightly backup. It is user behavior analytics on every file operation, active defense that terminates a hostile session in under a second, and a cybervault that survives even administrative compromise.

5 min read

Threat BriefJuly 14, 2026

The app was trusted. The files behind it were the target: Oracle breaches and the data layer

A 2026 wave of attacks against Oracle enterprise applications, including a PeopleSoft zero-day behind the NAIC data dump and an E-Business Suite flaw under active exploitation this week, keeps ending the same way: mass reads of files and regulated records through a trusted path, with no encryption and no obvious alarm.

5 min read

Cyberstorage ExplainerJuly 12, 2026

What Cyberstorage is, and why it exists

Cyberstorage builds security and recovery into the data storage layer itself. Here is what that means, the thirty-year assumption that made the category necessary, why Gartner named it in 2021, and how it differs from backup and traditional NAS.

7 min read

Cyberstorage ExplainerJuly 12, 2026

Ransomware protection at the storage layer: how it actually works

What real ransomware protection looks like at the layer attacks actually touch: the visibility, detection, policy, response, recovery, and evidence chain, explained link by link.

9 min read

Sector SpotlightJuly 12, 2026

Critical infrastructure’s quiet exposure: the IT file share

Utilities invest heavily in OT security while the IT side (engineering diagrams, SCADA documentation, customer data on ordinary file servers) remains the softer target attackers actually take.

5 min read

Practitioner GuideJune 30, 2026

File activity telemetry: what your SOC actually needs from storage

Most NAS audit feeds were designed for compliance checkboxes, not threat detection. Here is what detection-grade file activity telemetry looks like, how to wire it into SIEM and SOAR workflows without drowning the license, and the two tests that prove the integration is real.

5 min read

Threat BriefJune 18, 2026

Most breach headlines are data-layer warnings

Strip the logos and dollar figures from this year’s breach headlines and the same pattern remains: attackers reached unstructured data and the storage layer could not see or stop them.

3 min read

Practitioner GuideMay 20, 2026

Hardening NAS against ransomware: a practitioner checklist

A working checklist for storage and security teams: seven areas to verify on your file infrastructure so an attack on a share is detected and contained in progress, not just recovered from later.

5 min read

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NAS Security & File Share Hardening | RackTop