Siga Blog

Cyber OT Intelligence Hub

Insights and trends in Process Oriented OT Cybersecurity

Why Process-Oriented OT Cyber Is Now Essential for Regulatory Compliance

21 August 2025

The increased risk from OT cyberattacks by state-sponsored actors and sophisticated criminal networks has driven regulators to tighten requirements. In the U.S.,...

OT cyber regulation in 2025: expectations vs. reality

13 August 2025

With a new Administration that issued a government-wide regulatory freeze on Jan. 20 and launched a deregulatory executive order eleven days later,...

Automation Is Expanding Cyber Risk in Oil and Gas

07 August 2025

Automation is now a core part of oil and gas operations. Companies are expanding the use of remote operations, real-time optimization, and...

Revisiting Stuxnet, 15 years later

18 June 2025

This week marks the 15th anniversary of Stuxnet’s discovery on 17 June 2010: the most well-known (and notorious) OT cyber-attack to disrupt...

Level 0 Defense Against the Supply Chain Threat

11 June 2025

Critical Infrastructure operators have long invested heavily in OT cybersecurity via network segmentation, enforcement of network access restrictions, and deploying perimeter defenses....

Why So Many OT Cyber Attacks Go Unreported. And Why That’s a Problem for Critical Infrastructure.

01 June 2025

Most OT cyber threats that target critical infrastructure (power, water, manufacturing) never make the news. They don’t get disclosed. Sometimes, they aren’t...

The 2025 OT Cyber Threat Report

19 May 2025

The 2025 OT Cyber Threat Report: What It Tells Us (and What It Doesn’t See) Why the shift toward process-oriented OT security...

Rethinking Water Industry OT Cybersecurity Strategy

12 May 2025

In crisis mode, the water industry needs to look beyond the obvious for OT cyber security. Recent warnings by the Environment Protection...

The Solution to High False Positives

06 May 2025

Process-Oriented OT Cybersecurity: The Solution to High False Positives The dilemma: One of the most critical decisions a CISO will face is...

Protecting the Process Layer of Critical Infrastructure with an unhackable source of truth