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Today marks Safer Internet Day (SID), and the Australian Cyber Security Centre (ACSC) is a proud partner in supporting this year's theme -- 'Together for a better internet'.

SID is an annual, worldwide event led by the Office of the eSafety Commissioner. This year they are encouraging individuals to create a better internet by developing four critical skills known as the 4Rs: Respect, Responsibility, Reasoning and Resilience.

This week you'll see our own Stay Smart Online program promote the event with a cautionary tale about the importance of reviewing your social media privacy settings.

Alastair MacGibbon, Head of the ACSC, says that events such as Safer Internet Day are important reminders for Australian internet users about online safety.

'It is important that we have days like Safer Internet Day as they put cybersecurity in the spotlight.

'Every day we see Australian businesses get hit by cyber criminals who exploit vulnerable networks or devices, to get the information they need.

'Often basic cyber security measures can stop these criminals getting in and stealing commercial secrets or personal information,' Mr MacGibbon said.

'As the lead agency on cybersecurity it's our responsibility to work together with other government and industry partners, like the eSafety Commission, to promote good online security practices.'

The ACSC receives many reports from individuals and businesses who have fallen victim to cybercrime.

Cybercriminals regularly target the community with phishing emails containing fake payment invoices, often resulting in the loss of thousands of dollars.

'I'm passionate about making the internet a safer place for Australians. It's your responsibility to look after your information and check the privacy settings on your social media accounts,' Mr MacGibbon said.

The ACSC provides a range of guidance, updates and technical advice on the website for individuals, small and large business, government, and infrastructure to educate the community about current cyber security.

Our Stay Smart Online (SSO) program features expert information and advice for individuals and businesses, along with the latest online threats and how they can be managed.

To report a cyber-security incident, go to or call 1300 CYBER1 (1300 292 371).