Field notes

Intelligence for the people who keep plants running.And the teams who protect them.

Practical analysis for Operations and Security leaders who need to read network activity in the context of the physical process, not as an isolated alert stream. Evidence throughout.

Explore the attack galleryWritten for the questions that cross the control-room and SOC boundary.
2.0Physics-informed detection

What the process itself can tell you

Why network-only tools miss the attack that looks normal on the wire, how behaviour and process evidence are read together, and what a defensible alert looks like.

Physics-informed detection

Where Behavioral AI Actually Earns Its Place in Industrial Threat Detection

Behavioral AI is oversold in OT security. Here is what it genuinely detects, what it misses, and how to test a vendor claim before you buy it.

22 Aug 20268 min read
Physics-informed detection

How sFlow Monitoring Detects Lateral Movement in OT Networks

Lateral movement is where OT intrusions become OT incidents. Flow telemetry catches the east-west traffic your perimeter tools never see.

23 Jul 20267 min read
Physics-informed detection

Alert Fatigue in OT Security and How AI Solves It

Why OT alert fatigue is structurally worse than IT — and how AI-first detection turns alert floods into a handful of high-confidence detections.

21 May 20266 min read
Physics-informed detection

Behavioral Anomaly Detection: How AI Learns What Normal Looks Like in OT Networks

The Dragos 2026 OT Cybersecurity Report revealed organizations lack the telemetry to detect OT threats before operational impact occurs.

8 Apr 20266 min read
Physics-informed detection

Why Traditional IT Security Tools Fail in OT Networks

A persistent belief that IT security tools can extend to OT environments is getting organizations breached — and the data proves it.

5 Apr 20266 min read
Physics-informed detection

Edge AI vs. Cloud-Only Detection: Why Milliseconds Matter in OT

In OT environments, a detection delay of seconds can mean physical damage or safety incidents. Discover why edge AI is becoming the cornerstone of modern OT threat detection.

2 Apr 20265 min read
Physics-informed detection

How Behavioral Anomaly Detection Protects Industrial Networks

A deep dive into how machine learning models learn normal device behavior and detect threats that signature-based tools miss.

15 Feb 20265 min read
4.0OT security fundamentals

The protocols, the architecture, the failure modes

Industrial networks for the person who owns OT security part-time: how they are built, how they break, and where the IT playbook stops applying.

OT security fundamentals

Active Scanning vs Passive Monitoring in OT: What Each Method Can Actually Tell You

Active scanning and passive monitoring answer different questions about an industrial network. Here is what each one sees, what it costs you, and where the honest boundary sits.

2 Sept 20269 min read
OT security fundamentals

Supply Chain Attacks on OT Firmware Updates: The Trusted Channel Problem

Firmware updates are the one channel an OT network is built to trust. How attackers reach it, and what a bad update looks like on the wire.

19 Aug 20269 min read
OT security fundamentals

Understanding Modbus Security: Why the Protocol Cannot Defend Itself

Modbus has no authentication, no integrity checking, and no session state. Here is what that means on the wire, and how to detect abuse of it.

12 Aug 20268 min read
OT security fundamentals

Five Signs Your Industrial Network Has Already Been Compromised

Intrusions in OT rarely announce themselves. Here are five behavioral signals that show up on the wire long before anything visibly breaks.

7 Aug 20268 min read
OT security fundamentals

Why Air Gapped OT Networks Are a Myth in 2026

Most plants that claim an air gap have live paths across it. Here is where the connectivity hides and how to find it before an attacker does.

6 Aug 20269 min read
OT security fundamentals

The Role of eBPF/XDP in Next-Generation Network Security

eBPF and XDP move detection and enforcement into the kernel — running at line rate, harder to tamper with, and uniquely suited to OT/IoT boundary defense.

27 May 20267 min read
OT security fundamentals

Smart Factories Under Attack: Real-World OT Threat Scenarios

Manufacturing absorbs 27.7% of all cyberattacks. Discover 4 real-world OT threat scenarios targeting smart factories — and how to defend against them.

10 Apr 20266 min read
OT security fundamentals

What Is OT Security and Why It Matters in 2026

A comprehensive guide to Operational Technology security — what it is, why it's different from IT security, and why every manufacturer needs it now.

15 Mar 20264 min read
OT security fundamentals

Collective Threat Intelligence in OT: What Actually Transfers Between Sites

Shared intelligence helps industrial defenders only when the right things are shared. Here is what transfers between OT sites, and what does not.

3 Sept 20269 min read
OT security fundamentals

Supply Chain Attacks on IoT: From Firmware to Cloud

The IoT supply chain spans firmware, dependencies, and cloud infrastructure. In 2026, attackers exploit every layer — here's how defenders respond.

29 May 20267 min read
OT security fundamentals

Zero-Touch Deployment: Making OT Security Accessible to SMBs

Cybersecurity is now the #1 threat facing SMBs, yet 84% self-manage with insufficient expertise. Zero-touch deployment changes that.

6 Apr 20265 min read
OT security fundamentals

The Waze for Cybersecurity Approach: Collective Threat Intelligence

Half of OT organizations were breached last year despite advancing their security programs. Collective threat intelligence is the missing piece.

3 Apr 20265 min read
OT security fundamentals

Why IoT Devices Are the #1 Blind Spot in Enterprise Security

Your network has more doors than you think — and most of them are wide open. Learn why IoT devices are the largest unprotected attack surface and how to close the gap.

30 Mar 20265 min read
From reading to evidence

Bring one process your teams investigate from different tools.

We will map the operational question, the network and process evidence, and the governance boundary for a scoped technical evaluation.