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ICS security covers industrial control systems running physical processes and relying on reliable networks, where failures may affect safety and availability.

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Industrial control systems (ICS) are the computers, networks, programmable controllers, sensors, and actuators that monitor and operate physical processes. They include supervisory control and data acquisition (SCADA), distributed control systems, and plant-floor automation in sectors such as manufacturing, energy, transport, and water. Their critical assets are the control logic and process data, while their dependencies include engineering workstations, operator consoles, industrial protocols, communications links, and sometimes connections to enterprise or remote-access systems.

ICS security must protect availability, process integrity, and safety as well as confidentiality. Unauthorized changes to controller logic, compromised remote access, vulnerable engineering software, or disruption of communications can produce unsafe conditions or halt operations, though impact depends on the process and its safeguards. Defenses commonly include accurate asset inventories, network segmentation, tightly controlled and monitored remote access, secure configuration, tested backups of control logic, and vulnerability management that accounts for maintenance windows and the risks of disrupting real-time systems. Incident response may require isolating affected equipment while preserving safe operation or manual fallback.

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Bank Info Security 4 months, 1 week ago

Attackers Probe Critical Infrastructure for Low-Cost Entry

CS4CA USA Summit Speaker Daryl Haegley on Zero Trust and OT VisibilityCritical infrastructure operators face constant cyber probing from state adversaries targeting energy, water and industrial systems. A U.S. Air Force cyber resiliency leader explains why zero trust, IT-OT separation and stronger anomaly detection are essential to defend mission-critical operations.

Bank Info Security 6 months, 3 weeks ago

Take a Beat on AI, CISA Tells OT Operators

International Coalition Highlights Security Risks in OT’s Rush to AIHurriedly integrating AI into industrial systems isn't the wisest idea, the U.S. Cybersecurity and Infrastructure Security Agency and its domestic and international partners warned earlier this month. "We don't want [operators] treating AI like a magical black box," explained a CISA official.

Researchers Say AI Bots Blur Lines Between Identity, Consent and Cyber DefenseAs generative AI programs continue to evolve, they are introducing new threats to the modern workplace. Digital twins, once confined to industrial systems, now enable hyper-realistic copies of actual employees to mimic vocal patterns, behaviors and even pick up on decision-making trends.

'Heightened Threat Environment' Faces Critical Infrastructure, US Government WarnsMany types of commonly used types of industrial control systems continue to be deployed in a manner that leaves them publicly exposed to the internet, often by U.S.-based critical infrastructure operators, in what amounts to a preventable security risk, researchers warn.

Sydney Trains' Maryam Shoraka on Identifying the Blind Spots in OT SystemsIT organizations can apply multiple frameworks to help reduce risk, but relying on them in OT environments could create blind spots. Security leaders must rethink compliance-driven strategies and adapt controls to meet the unique demands of industrial systems, said Sydney Trains' Maryam Shoraka.

Things to Include on Your CV When Your Job Focuses on Keeping Systems RunningIf you're a junior SOC analyst, a GRC specialist or someone working in ICS environments, the idea of a cyber portfolio might seem irrelevant. It's not. Employers need tangible proof of your skills, and a well-constructed portfolio does just that - whether your job touches logs or legal frameworks.

Things to Include on Your CV When Your Job Focuses on Keeping Systems RunningIf you're a junior SOC analyst, a GRC specialist, or someone working in ICS environments, the idea of a cyber portfolio might seem irrelevant. It's not. Employers need tangible proof of your skills, and a well-constructed portfolio does just that - whether your job touches logs or legal frameworks.

Bank Info Security 1 year, 2 months ago

Digitization Creates New OT Security Blind Spots

Dragos' Robert Lee on Why Ransomware Groups Target OT for Faster, Larger PayoutsRansomware attacks on OT systems rose to 87% in 2024. With industrial systems becoming more connected and digitized, threat actors are able to scale attacks more effectively across critical infrastructure, said Robert Lee, co-founder and CEO of Dragos.

Bank Info Security 1 year, 6 months ago

Siemens Warns of a Critical Vulnerability in UMC

Heap Overflow Flaw Threatens Industrial Control Systems GloballySiemens issued a security advisory for a vulnerability affecting industrial control systems in its User Management Component that could enable attackers to execute arbitrary code. The heap-based buffer overflow flaw impacts products used in manufacturing and the energy sector.

Bank Info Security 1 year, 8 months ago

ICS Detection Improves, Response Still Lacking

SANS Survey Finds Incident Detection ImprovingMore incidents, vulnerability remediation timelines that can stretch into a year and mismatched budget priorities - such is the state of operational technology cybersecurity in 2024, according to participants in an annual SANS survey. Incident response remains a weak point.

Purchase Adds Advanced AI Network Detection to Logpoint's Threat Response ToolboxLogpoint acquires Muninn to integrate its AI-based NDR technology, enhancing threat detection and response capabilities in its SIEM platform. This move supports Logpoint's mission to defend OT and ICS systems against ransomware attacks by combining visibility from networks and applications.

Advisory Says Disconnecting ICS Reduces Exposure to Malicious Cyber ActivitiesRockwell Automation warned customers to disconnect industrial control systems from the internet, citing escalating cyberthreats and rising global geopolitical tensions. Disconnecting these systems is a proactive measure to reduce the attack surface.

Advisory Says Disconnecting ICS Reduces Exposure to Malicious Cyber ActivitiesRockwell Automation warned customers to disconnect industrial control systems from the internet, citing escalating cyber threats and rising global geopolitical tensions. Disconnecting these systems is a proactive measure to reduce the attack surface.

Bank Info Security 2 years, 2 months ago

US and Allies Issue Cyber Alert on Threats to OT Systems

Cyber Authorities Warn Pro-Russian Hacktivists Targeting Small-Scale OT SystemsU.S. and international cyber authorities issued a warning Wednesday that pro-Russian hacktivists are increasingly targeting small-scale operational technology systems throughout North America and Europe that have been left vulnerable to attacks due to internet-exposed industrial control systems.

Bank Info Security 2 years, 2 months ago

Microsoft Releases New-Open Source Tool for OT Security

ICSpector Is Now on GitHub, Scans PLCs, Extracts Info and Detects Malicious CodeMicrosoft has released a new open-source security tool to close gaps in threat analysis for industrial control systems and help address increased nation-state attacks on critical infrastructure. ICSpector, available on GitHub, can scan PLCs, extract information and detect malicious code.

Bank Info Security 2 years, 4 months ago

Schneider Electric and Mitsubishi Give Nozomi Networks $100M

Investment Signals Confidence in Nozomi's Cyber Tools for Critical InfrastructureNozomi Networks notched a $100 million funding round led by Schneider Electric and Mitsubishi, spotlighting the urgent need for advanced cybersecurity measures to protect critical infrastructure, industrial control systems and IoT networks in light of the increased destructiveness of attacks.

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