<![CDATA[QBits Networks]]>https://www.qbitsnetworks.com/knowledge-hubRSS for NodeFri, 09 Oct 2026 20:07:18 GMT<![CDATA[The Purdue Model Explained, Level by Level]]>https://www.qbitsnetworks.com/post/purdue-model-explained-level-by-level1d077428-a2c8-4704-8038-94b8064cf06dSat, 03 Oct 2026 01:15:29 GMTmarkhanna20<![CDATA[IT vs OT: Why Securing a Plant Isn't Like Securing an Office]]>https://www.qbitsnetworks.com/post/it-vs-ot-securing-a-plantc45ff9c0-c9b9-4e2f-a84f-d9ff84eb0379Sat, 03 Oct 2026 01:15:28 GMTmarkhanna20<![CDATA[What Is an ICS? PLCs, RTUs, HMIs, SCADA and DCS in Plain Language]]>https://www.qbitsnetworks.com/post/what-is-an-ics-plcs-rtus-hmis-scada-dcs3945a91a-258b-4388-8696-7531554aad33Sat, 03 Oct 2026 01:15:28 GMTmarkhanna20<![CDATA[Is the Purdue Model Still Relevant? Cloud, IIoT and Remote Monitoring]]>https://www.qbitsnetworks.com/post/is-the-purdue-model-still-relevanta5b3a24c-d87f-4501-9328-3286c1a7ebafSat, 03 Oct 2026 01:15:27 GMTmarkhanna20<![CDATA[Industrial Protocols 101: Modbus, DNP3, OPC UA, EtherNet/IP, PROFINET]]>https://www.qbitsnetworks.com/post/industrial-protocols-101e337eb37-8b26-4698-a3b8-b88ff5b0835bSat, 03 Oct 2026 01:15:26 GMTmarkhanna20<![CDATA[IEC 62443 in Plain English]]>https://www.qbitsnetworks.com/post/iec-62443-in-plain-englishdcb0b106-d919-4331-8abd-e6cba2f105f1Sat, 03 Oct 2026 01:15:26 GMTmarkhanna20<![CDATA[IEC 62443 Security Levels: What They Mean and How to Pick a Target]]>https://www.qbitsnetworks.com/post/iec-62443-security-levels-explainedf55987da-2e9d-4d94-ba78-4e985022d7a5Sat, 03 Oct 2026 01:15:25 GMTmarkhanna20<![CDATA[Zones and Conduits: The Core Idea Behind IEC 62443]]>https://www.qbitsnetworks.com/post/zones-and-conduits-iec-6244323cd9250-44f9-4b8a-a782-554f97e307edSat, 03 Oct 2026 01:15:24 GMTmarkhanna20<![CDATA[The NIST Cybersecurity Framework Applied to OT]]>https://www.qbitsnetworks.com/post/nist-cybersecurity-framework-for-ot220e4c7c-2b30-4bb0-b460-dc6f46084785Sat, 03 Oct 2026 01:15:24 GMTmarkhanna20<![CDATA[IEC 62443 vs NIST SP 800-82 vs NERC CIP: Which Applies to You?]]>https://www.qbitsnetworks.com/post/iec-62443-vs-nist-800-82-vs-nerc-cipdc9ddbeb-2d05-4892-acd9-043933d2a8e3Sat, 03 Oct 2026 01:15:23 GMTmarkhanna20<![CDATA[Stuxnet: The Attack That Proved Code Can Break Machines]]>https://www.qbitsnetworks.com/post/stuxnet-code-can-break-machines6240a63b-a8e9-4152-b1fd-3ff8f71b8964Sat, 03 Oct 2026 01:15:23 GMTmarkhanna20<![CDATA[Ukraine's Power Grid Attacks (2015 and 2016)]]>https://www.qbitsnetworks.com/post/ukraine-power-grid-attacksb04cbc48-c079-461d-9ff8-5fa525b3187bSat, 03 Oct 2026 01:15:22 GMTmarkhanna20<![CDATA[TRITON/TRISIS: The First Malware Built to Target Safety Systems]]>https://www.qbitsnetworks.com/post/triton-trisis-safety-systems2565ef76-b27e-46f8-868f-a11655af71d8Sat, 03 Oct 2026 01:15:21 GMTmarkhanna20<![CDATA[Colonial Pipeline: When IT Ransomware Stopped an OT Operation]]>https://www.qbitsnetworks.com/post/colonial-pipeline-it-ransomware-ot9158e539-b4fc-49c9-b514-57a4d5ffef0fSat, 03 Oct 2026 01:15:21 GMTmarkhanna20<![CDATA[Water Utilities Under Attack: Exposed PLCs and Default Passwords]]>https://www.qbitsnetworks.com/post/water-utilities-exposed-plcs-default-passwords8018f437-02f6-4955-b351-dbf207977f9fSat, 03 Oct 2026 01:15:20 GMTmarkhanna20<![CDATA[FrostyGoop and PIPEDREAM: The New Generation of ICS Malware]]>https://www.qbitsnetworks.com/post/frostygoop-pipedream-ics-malware82b323c9-76cb-4181-8913-e58939ea9864Sat, 03 Oct 2026 01:15:19 GMTmarkhanna20<![CDATA[Volt Typhoon: Quietly Positioning Inside Critical Infrastructure]]>https://www.qbitsnetworks.com/post/volt-typhoon-prepositioning9ff1cee2-b214-42e7-abdf-93125e125cc0Sat, 03 Oct 2026 01:15:19 GMTmarkhanna20<![CDATA[Why Passive-First Assessments Are the Safe Way to Look at OT Networks]]>https://www.qbitsnetworks.com/post/passive-first-ot-assessments2ced5959-c33e-43a9-b619-473e1b2e0258Sat, 03 Oct 2026 01:15:18 GMTmarkhanna20<![CDATA[Remote Access: The Number One Way Into OT]]>https://www.qbitsnetworks.com/post/remote-access-number-one-way-into-ot4519c8d7-4fa8-4cf0-b165-b98ffda507c4Sat, 03 Oct 2026 01:15:18 GMTmarkhanna20<![CDATA[You Can't Protect What You Can't See: Building an OT Asset Inventory]]>https://www.qbitsnetworks.com/post/building-an-accurate-ot-asset-inventoryf7c97632-0cc3-4bb1-85e1-bd8d56af8a4cSat, 03 Oct 2026 01:15:17 GMTmarkhanna20