The Federal Government has confirmed that eight Australian Small Businesses have been hit by a huge Malware attack orchestrated globally on the weekend. Whilst the Prime Minister's Cybersecurity Advisor has warned that the "game is not over" between hackers and cybersecurity companies. Globally the attack compromised around 200,000 machines, one of the largest in history.
It all happened in less than two days created with information leaked from the NSA. In this short amount of
WannaCry is a form of Malware known as Ransomware that attempts to render a computer useless by encrypting files then demanding a payment to regain access. While the ransom demands vary for different strains of Ransomware, WannaCry victims are asked for US$300 and then later US$600, if the user still refuses to pay up they are threatened with a complete delete of all of their files.
What are the impacts?
Assistant Minister for cyber-security Dan Tehan said the ransomware had not affected Australia's critical infrastructure or Government agencies. "This is absolutely a wake-up call," he said. "We have to understand that ransomware costs the Australian economy $1 billion a year conservatively."
How is it spread?
A brief explanation on how it is being spread:
The underlying tool is believed to be the EternalBlue program developed first by American security services and subsequently leaked. A quick definition on how it spreads is such:
- The ransomware is using a known, publicly disclosed exploit in SMBv1 (Server Message Block Version 1). It is an application-level protocol used for sharing files and printers in a networked environment.
What can I do right now to protect myself?
- Patch your computer, keep your computer
up-to datewith the latest software releases for your operating system.
- Keep secure backups, in the event of something like this hitting your business your best protection is a secure backup from where you can restore your files if the worst was to happen.
- Don't click on suspicious links. If you're being asked to click on a link, exercise caution. Make sure that you know where the link is going and if you have any suspicions at all, don't click.
- Download our free guide to protecting yourself from Ransomware and understand the risks to your business and how to protect yourself today.