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Rockwell Automation is urging its customers to disconnect all industrial control systems (ICSs) not meant to be connected to the public-facing internet to mitigate unauthorized or malicious cyber activity. The company  said  it's issuing the advisory due to "heightened geopolitical tensions and adversarial cyber activity globally." To that end, customers are required to take immediate action to determine whether they have devices that are accessible over the internet and, if so, cut off connectivity for those that are not meant to be left exposed. "Users should never configure their assets to be directly connected to the public-facing internet," Rockwell Automation further added. "Removing that connectivity as a proactive step reduces attack surface and can immediately reduce exposure to unauthorized and malicious cyber activity from external threat actors." On top of that, organizations are required to ensure that they have adopted the necessar

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released eight Industrial Control Systems (ICS)  advisories  on Tuesday, warning of critical flaws affecting equipment from Delta Electronics and Rockwell Automation. This includes 13 security vulnerabilities in Delta Electronics' InfraSuite Device Master, a real-time device monitoring software. All versions prior to 1.0.5 are affected by the issues. "Successful exploitation of these vulnerabilities could allow an unauthenticated attacker to obtain access to files and credentials, escalate privileges, and remotely execute arbitrary code," CISA  said . At the top of the list is  CVE-2023-1133  (CVSS score: 9.8), a critical flaw that arises from the fact that InfraSuite Device Master accepts unverified UDP packets and  deserializes the content , thereby allowing an unauthenticated remote attacker to execute arbitrary code. Two other deserialization flaws,  CVE-2023-1139  (CVSS score: 8.8) and  CVE-20

Continuous Threat Exposure Management (CTEM) is a strategic framework that helps organizations continuously assess and manage cyber risk. It breaks down the complex task of managing security threats into five distinct stages: Scoping, Discovery, Prioritization, Validation, and Mobilization. Each of these stages plays a crucial role in identifying, addressing, and mitigating vulnerabilities - before they can be exploited by attackers.  On paper, CTEM sounds great . But where the rubber meets the road – especially for CTEM neophytes - implementing CTEM can seem overwhelming. The process of putting CTEM principles into practice can look prohibitively complex at first. However, with the right tools and a clear understanding of each stage, CTEM can be an effective method for strengthening your organization's security posture.  That's why I've put together a step-by-step guide on which tools to use for which stage. Want to learn more? Read on… Stage 1: Scoping  When you're defin

Two new security vulnerabilities have been disclosed in Rockwell Automation's programmable logic controllers ( PLCs ) and engineering workstation software that could be exploited by an attacker to inject malicious code on affected systems and stealthily modify automation processes. The flaws have the potential to disrupt industrial operations and cause physical damage to factories in a manner similar to that of Stuxnet and the  Rogue7 attacks , operational technology security company Claroty said. "Programmable logic and predefined variables drive these [automation] processes, and changes to either will alter normal operation of the PLC and the process it manages," Claroty's Sharon Brizinov  noted  in a write-up published Thursday. The list of two flaws is below – CVE-2022-1161  (CVSS score: 10.0) – A remotely exploitable flaw that allows a malicious actor to write user-readable "textual" program code to a separate memory location from the executed c