As more details emerge of the damage done by the recent Petya attack, experts are pointing the finger at the MEDoc tax-filing software. Although the company behind the software is denying this, the effects have been far reaching, including disrupting Maersk, the world's largest shipping company. Even a Cadbury's chocolate factory in Tasmania came to a halt. But it appears as though the intent was not to make money, and could this be a politically motivated attack?
A global cyber-attack that affected companies around the world may have started via corrupted updates on a piece of accountancy software. Fingers are increasingly pointing to a piece of Ukrainian tax-filing software, MEDoc, as the source of the infection, although the company denies it. Malware generally infiltrates networks via email attachments that users click on in error. Microsoft described the method as "a recent dangerous trend".