Tag: HVAC

Adapting NIST SP 800-82r3 to tackle complexity of cyber threats across OT environments

Adapting NIST SP 800-82r3 to tackle complexity of cyber threats across OT environments

Amidst a backdrop of intensifying threats and perilously close near-miss attacks directly targeting operational technology (OT), the National Institute of Standards and Technology (NIST) recently unveiled the third iteration of the NIST SP 800-82 document. The new release underscores an…

Frequent ransomware attacks in healthcare and public health sectors elevate security threats to OT/IoT environments

Frequent ransomware attacks in healthcare and public health sectors elevate security threats to OT/IoT environments

Organizations in the healthcare and public health sectors are facing an increasing number of ransomware attacks, often leaving hospital networks vulnerable. With these adversaries lurking around in the OT/IoT environments, they have become considerably more capable of executing significant attacks…

Nozomi identifies Siemens building automation systems vulnerability, which can perform DoS attack against controllers

Nozomi identifies Siemens building automation systems vulnerability, which can perform DoS attack against controllers

Industrial cybersecurity firm Nozomi Networks has carried out a security analysis of the Siemens PXC4.E16, a building automation system (BAS) of the Desigo/APOGEE family for HVAC and building service plants. Its researchers identified a vulnerability, tracked under Siemens SSA-626968 and…

OT systems

Over a quarter of facility managers faced cyber security breaches of their OT systems

A Honeywell survey has found that about 27 percent of surveyed building facility managers have experienced a cyber breach of their OT systems over the last year, and 66 percent of respondents view managing OT cybersecurity as one of their…