KISA, KrCERT/CC publish the KISA Cyber Security Issure Report for 1H, 2021.

Part 1. (Trend) Cyber Security Issue 2021
1-1. Domestic and Overseas Cyber Threat Trends
1-2. Vulnerability Trends

Part 2. (Special Issue) Ransomware
2-1. Analysis on Features and Attack Techniques of Recent Ransomware, and Countermeasures
  - Kim Jin-guk, Plainbit
2-2. Analysis of Recent Ransomware Attacks on Enterprise
  - Incident Analysis Team, Internet Incidents Analysis Division, KISA
2-3. Analysis of Main Types of Ransomware
  - (BitLocker) Park Tae-hwan, AhnLab Security Emergency Response Center
  - (Avaddon, Dharma, DarkSide) Moon Jong-hyeon, ESTsecurity Security Response Center

Part 3. (How To) Experts columns
3-1. Countermeasures Against Easy-to-Miss Vulnerabilities Analyzed via Vulnerability Reward Program
  - Vulnerability Analysis Team, Internet Incidents Analysis Division, KISA
3-2. Diagnosis of Global Supply Chain Attacks, and Countermeasures
  - Yoon Woo-hee, ESCARE
3-3. Diagnosis Technologies of Security Products and Bypass Techniques
  - Lee Ho-ung, Department of Computer Engineering, Hoseo University

The original post is at:
 https://www.boho.or.kr/data/reportView.do?bulletin_writing_sequence=36146