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Cyber threats next year will focus on manufacturing, healthcare, and the cloud.
SK Infosec Releases 2021 Cyber Threat Outlook
Threats will increase in manufacturing, healthcare, and the cloud.
Ransomware crimes are becoming more sophisticated, highlighting vulnerabilities in online contact.
The digital transformation of businesses has accelerated since the spread of COVID-19. With increasing interconnectivity across various industries, cyberattacks are expected to increase in manufacturing, healthcare, and cloud computing next year.
SK Infosec EQST Security Expert Group announced this on the 9th while releasing the 2021 Cyber Threat Outlook Report.
The report identified the five most likely cyber threats to occur in 2021: attacks on industrial control systems in the manufacturing sector, ransomware attacks that bypass defense systems, attacks in the digital healthcare sector, increased security elements in hybrid cloud environments, and security threats exploiting ontact environments.

Hacking attacks targeting manufacturing facilities are expected to intensify next year. According to the report, the manufacturing sector accounted for 16.8% of breaches this year, the highest among all industries. These attacks primarily targeted security vulnerabilities in operational technology (OT), industrial control systems (ICS), and dedicated communication protocols.
The report predicts that attacks on manufacturing facilities will increase further as connections to external networks continue to increase to improve production efficiency.
Ransomware was ranked as the most concerning attack for next year. Previous ransomware attacks involved infiltrating internal systems, encrypting data, and demanding ransom. However, recent attacks have become increasingly brazen, with methods threatening to disclose sensitive data, such as personal information, to the public. Furthermore, attacks have even emerged that utilize virtual machines or MS Windows OS programs to bypass security solutions.

Kim Tae-hyung, head of the EQST security expert group at SK Infosec, said, “Ransomware attacks targeting companies are imitating attack cases or forming organizations to carry out large-scale attacks in order to maximize profits,” and “ransomware attacks will continue to be the biggest concern for security managers because they make tracking difficult by demanding money in virtual currency.”
Security threats targeting the digital healthcare sector are also expected to increase. In the wake of COVID-19, more and more hospitals are introducing new, non-face-to-face treatment processes. However, the report points out that hospital access systems, various medical devices, patient records, and administrative systems are vulnerable to threats due to their insecure connections. The report predicts that cyberattacks targeting patient health information, which is being traded at high prices on the dark web, will increase.
Finally, the report warned of security vulnerabilities arising from the shift in corporate work environments and IT infrastructure to ontact and cloud computing. In particular, the report emphasized the growing use of hybrid clouds, combining public and private clouds, and the need for a robust security system, as security management factors increase.
Kim Tae-hyung, in charge, said, “With the COVID-19 virus spreading this year, companies are rapidly transforming digitally to ensure business continuity,” and added, “Because hackers are quickly looking for opportunities to attack even before we become accustomed to the new ICT environment, digital transformation with security in mind is absolutely necessary.”
Threats will increase in manufacturing, healthcare, and the cloud.
Ransomware crimes are becoming more sophisticated, highlighting vulnerabilities in online contact.
The digital transformation of businesses has accelerated since the spread of COVID-19. With increasing interconnectivity across various industries, cyberattacks are expected to increase in manufacturing, healthcare, and cloud computing next year.
SK Infosec EQST Security Expert Group announced this on the 9th while releasing the 2021 Cyber Threat Outlook Report.
The report identified the five most likely cyber threats to occur in 2021: attacks on industrial control systems in the manufacturing sector, ransomware attacks that bypass defense systems, attacks in the digital healthcare sector, increased security elements in hybrid cloud environments, and security threats exploiting ontact environments.

▲ The manufacturing industry is experiencing the highest rate of breaches [Graph = SK Infosec]
Hacking attacks targeting manufacturing facilities are expected to intensify next year. According to the report, the manufacturing sector accounted for 16.8% of breaches this year, the highest among all industries. These attacks primarily targeted security vulnerabilities in operational technology (OT), industrial control systems (ICS), and dedicated communication protocols.
The report predicts that attacks on manufacturing facilities will increase further as connections to external networks continue to increase to improve production efficiency.
Ransomware was ranked as the most concerning attack for next year. Previous ransomware attacks involved infiltrating internal systems, encrypting data, and demanding ransom. However, recent attacks have become increasingly brazen, with methods threatening to disclose sensitive data, such as personal information, to the public. Furthermore, attacks have even emerged that utilize virtual machines or MS Windows OS programs to bypass security solutions.

▲ 2021 Top 5 Cyber Threat Forecast [Image = SK Infosec]
Kim Tae-hyung, head of the EQST security expert group at SK Infosec, said, “Ransomware attacks targeting companies are imitating attack cases or forming organizations to carry out large-scale attacks in order to maximize profits,” and “ransomware attacks will continue to be the biggest concern for security managers because they make tracking difficult by demanding money in virtual currency.”
Security threats targeting the digital healthcare sector are also expected to increase. In the wake of COVID-19, more and more hospitals are introducing new, non-face-to-face treatment processes. However, the report points out that hospital access systems, various medical devices, patient records, and administrative systems are vulnerable to threats due to their insecure connections. The report predicts that cyberattacks targeting patient health information, which is being traded at high prices on the dark web, will increase.
Finally, the report warned of security vulnerabilities arising from the shift in corporate work environments and IT infrastructure to ontact and cloud computing. In particular, the report emphasized the growing use of hybrid clouds, combining public and private clouds, and the need for a robust security system, as security management factors increase.
Kim Tae-hyung, in charge, said, “With the COVID-19 virus spreading this year, companies are rapidly transforming digitally to ensure business continuity,” and added, “Because hackers are quickly looking for opportunities to attack even before we become accustomed to the new ICT environment, digital transformation with security in mind is absolutely necessary.”
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