五輪中「テレワーク端末に用心」　サイバー攻撃想定、官民訓練―警視庁

　東京五輪・パラリンピック開催期間中の交通混雑緩和のため、多くの企業でテレワークが検討されるのを受け、警視庁は２７日、テレワーク用端末を介してマルウエア（悪意あるソフトウエア）がまん延するサイバー攻撃を想定し、官民共同訓練を行った。
　訓練は、(1)社内システムの脆弱（ぜいじゃく）性から社員端末が不正通信用マルウエアに感染し、社内セキュリティーで攻撃を阻止(2)テレワークで感染端末を社外に持ち出したため不正通信が始まり、情報窃取用マルウエアにも感染(3)端末を社内に戻したことで感染が拡大し、情報窃取の被害が発生した―との想定で行われた。（2020/01/27-14:29）

Tokyo police on Monday started three-day public-private cybersecurity exercises against potential malware attacks targeting devices used for teleworking, or working remotely using information and communications technology.
   The exercises by the Metropolitan Police Department come as many corporations are expected to adopt teleworking during the Tokyo Olympic and Paralympic Games this summer to avoid traffic congestion.
   Some 140 employees from 58 operators of critical infrastructure such as railways, electric power and gas are expected to take part in the drills through Wednesday. On Monday, 53 people from 24 companies received training on identifying malware infections, blocking unauthorized access attempts, preserving communication logs and restoring computer systems.
   The drills are based on a scenario in which a computer virus intended for unauthorized access infected an employee's device through a system vulnerability. Although attacks by the malware were blocked by an in-house security system, the malware was activated when the infected computer was taken out of the workplace for teleworking.
   The virus then caused the computer to be infected with another virus, which extracts information, and the return of the device to the workplace caused the infection to spread, leading to information being stolen from the company, according to the scenario.