It has been a bit of a whirlwind in ransomware this past week. Bits have been circulating about Ryuk reaping the rewards from its wreckage, a new strain detonating within an hour after gaining access to the network, and an indiscriminate sample with a version to infect Linux. BleepingComputer has those details and much more in its recent “The Week in Ransomware” series for November 6, 2020.
The Cybersecurity and Infrastructure Security Agency (CISA) and government and industry partners recently published the Building A More Resilient ICT Supply Chain: Lessons Learned During The COVID-19 Pandemic report, which examines how the COVID-19 pandemic impacted the logistical supply chains of information and communication technology companies and provides recommendations to increase supply chain resilience.
November 5, 2020
November 4, 2020
November 5, 2020
CISA has updated this advisory with additional information on affected products and mitigation measures. Read the advisory at CISA.
August 4, 2020
November 5, 2020
CISA has updated this advisory with additional information on affected products and mitigation measures. Read the advisory at CISA.
June 16, 2020
CISA has updated this advisory with additional information on mitigation measures. Read the advisory at CISA.
June 10, 2020
CISA has published an advisory on improper restriction of operations within the bounds of a memory buffer, session fixation, NULL pointer dereference, improper access control, argument injection, and resource management errors vulnerabilities in Mitsubishi Electric GT14 Model of GOT1000 Series products.
CISA has published an advisory on stack-based buffer overflow and heap-based buffer overflow vulnerabilities in WECON PLC Editor. Versions 1.3.8 and prior are affected. Successful exploitation of these vulnerabilities could allow an attacker to execute code under the privileges of the application. WECON is aware of these vulnerabilities and is currently developing a solution. CISA also recommends a seried of measures to mitigate these vulnerabilities.
It is not uncommon for OT/ICS cybersecurity to fall under the authority of IT. This isn’t necessarily a bad thing, unless IT is taking responsibility/action and lacks OT-specific knowledge. While many concepts can be drawn from IT security to help secure OT, many of the processes do not translate well. The opposite also presents a challenge, as many OT operators and engineers may not have cybersecurity experience. This is why it is imperative for both OT and IT cybersecurity teams to work together; however, that isn’t always as easy as it sounds.
Last week we talked about responding to cyber threats during the 15CFAM series. We said that, developing plans for how utilities will respond to cyber incidents is critical for resilience from such events.
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