CISA warned that hackers are trying to compromise critical infrastructure networks, targeting industrial systems exposed to the Internet (using simple methods such as brute force attacks and default credentials).
According to the cybersecurity agency, the attacks target critical infrastructure and ICS devices, as well as water and sewage systems.
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OT devices help monitor and control physical processes in the construction sector, in critical infrastructure and other industries. In water treatment facilities, for example, they regulate water treatment processes, distribution and pressure and other critical processes, ensuring continuous and safe water supply to citizens.
“ Exposed and vulnerable OT/ICS systems may allow hackers to use default credentials, conduct brute force attacks, or use other unsophisticated methods to gain access to these devices and cause harm ,” the agency says
CISA advised operators of OT/ICS systems in the country's critical infrastructure to take steps to protect themselves. In May, the cybersecurity had suggested some security tips when it warned of Russian hacktivists targeting water treatment facilities.
See also: Russian hackers target Ukrainian military infrastructure
Some of the protection measures recommended for securing industrial systems in critical infrastructures are: changing default passwords ,enabling multi-factor authentication, using human-machine interfaces (HMI) behind firewalls, and applying the latest security updates.
It is also important for critical infrastructure organizations to have a robust incident response plan in the event of a cyberattack. This should include protocols for attack detection, containment, and recovery.
See also: China: Warns of attacks by Taiwan's Anonymous 64 hackers
Protecting critical infrastructure from cyberattacks is vital, as any disruption or damage to these systems can have far-reaching consequences for public safety, health and the economic stability of a country. With advances in technology and increased reliance on digital systems, the potential impact of cyberattacks has become even more significant.
Source: www.bleepingcomputer.com
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