Russian hackers leak US Olympic athlete’s files read more at here www.spinonews.com/index.php/item/842-russian-hackers-leak-us-olympic-athlete-s-files

This is the latest twist in what was already the biggest doping scandal in the history of sport, and further evidence of the bitter divisions it has sparked.

The hack appears to be an act of revenge - retaliation for Wada's damning report into Russian state-sponsored cheating.

The World Anti-Doping Agency (Wada) has condemned Russian hackers for leaking confidential medical files of star US Olympic athletes.

Athletes affected include tennis players Venus and Serena Williams and teenage gymnast Simone Biles.

A group calling itself "Fancy Bears" claimed responsibility for the hack of a Wada database. Fancy Bears, which is also known as Tsar Team (APT28), has pledged to release confidential records from other national Olympic teams.

After the leak, Ms Biles said she had long been taking medicine for Attention Deficit Hyperactivity Disorder.

The hacker group had accused her of taking an illicit psycho-stimulant, but she said she had always followed the rules.

The Rio Olympics quadruple gold medalist had obtained the necessary permission to take prescription medicine on the Wada banned drugs list, USA Gymnastics said in a statement.

Wada said in a statement that the cyber-attacks were an attempt to undermine the global anti-doping system.

The hackers accessed records detailing "Therapeutic Use Exemptions" (TUEs), which allow the use of banned substances due to athletes' verified medical needs.

The leaked documents allege that Serena Williams was granted permission to use drugs commonly used to treat muscle injuries, such as anti-inflammatories, while Biles is said to use Ritalin - a treatment for her ADHD.

Although the Russian government has denied any involvement, it has always maintained that the country has been made a scapegoat for a much wider problem, and this will only add fuel to that fire.

Although the athletes concerned have broken no rules, the revelations - along with the threat of more leaks of other competitors' medical records.

Many athletes will now be nervously wondering if their private medical details records are the next to be made public.

The US Olympic Committee has had zero adverse findings from the Rio Olympic Games that weren't 100% within the medical guidelines set forth by anti-doping authorities, spokesman Patrick Sandusky said.