米国・カナダ：ランサムウェアの脅威が急上昇？

下記の記事が出ている。

　US, Canada issue alert on ransomware
　ZDNet: April 1, 2016
　http://www.zdnet.com/article/us-canada-issue-alert-on-ransomware/

　U.S. hospitals face growing ransomware threat: security group
　REUTERS: April 1, 2016
　http://www.reuters.com/article/us-usa-cyber-ransomware-idUSKCN0WY5L5

　Under pressure to digitize everything, hospitals are hackers’ biggest new target
　Washington Post: April 1, 2016
　https://www.washingtonpost.com/news/wonk/wp/2016/04/01/under-pressure-to-digitize-everything-hospitals-are-hackers-biggest-new-target/

　U.S., Canada issue joint alert on 'ransomware' after hospital attacks
　Telegraph: 1 April, 2016
　http://www.telegraph.co.uk/technology/2016/04/01/picpub-us-canada-issue-joint-alert-on-ransomware-after-hospital/

[追記：2016年4月5日]

関連記事を追加する。

　Ransomware alert issued by US and Canada following recent attacks
　Naked Security: 4 April, 2016
　https://nakedsecurity.sophos.com/2016/04/04/ransomware-alert-issued-by-us-and-canada-following-recent-attacks/