Facebookに対する9月のサイバー攻撃の実際の被害の程度はどれくらいなのか？

下記の記事が出ている。

　Facebook Says Fewer Users Impacted by Recent Cyberattack than First Thought
　Wall Street Journal: 12 October, 2018
　https://www.wsj.com/articles/facebook-says-fewer-users-impacted-by-recent-cyberattack-than-first-thought-1539365152

　Facebook warns 30m users exposed in cyber attack - how to check if you were affected
　Telegraph: 12 October, 2018
　https://www.telegraph.co.uk/technology/2018/10/12/facebook-warns-30m-users-exposed-cyber-attack-check-affected/

　Here’s how to see if you’re among the 30 million compromised Facebook users
　ars technica: October 13, 2018
　https://arstechnica.com/information-technology/2018/10/facebook-hackers-stole-locations-and-other-private-data-for-millions-of-users/

[追記：2018年10月15日]

関連記事を追加する。

　Facebook hack victims will not get ID theft protection
　BBC: 12 October, 2018
　https://www.bbc.com/news/technology-45845431