Recent devastating cyber-attacks

YAHOO!
1 billion records
Dec 2016: Yahoo reveals 2013 attack. 500m of its accounts were also hacked in 2014 

JAPAN ATMs
$12.7 million
May  2016: Gang uses 1,600 cloned credit cards to withdraw ¥1.4bn from ATMs in Japan 

BANGLADESH BANK
$101 million 
Feb 2016: Thieves use SWIFT network to transfer funds held at U.S. Federal Reserve

ANTHEM
80m records
Jan 2015: Attack on U.S. health insurer steals records of customers and employees

SONY PICTURES
10m records
Nov 2014: Personal details of employees, executive salaries and unreleased films stolen

U.S. GOVERNMENT
25.7m records
Jun-Jul 2014: Office of Personnel Management database hacked twice

JPMORGAN CHASE
83m records
Jul 2014: Accounts of 76m households and 7 million businesses hacked

ASHLEY MADISON
37m records
Jul 2014: Personal and credit card data stolen from extramarital affairs website

TARGET
110m records
Jan 2014: Hackers steal personal data including 40m credit card records at U.S. retailer

Sources: Bloomberg, Financial Times 
Pictures: Associated Press, Getty Images