0403 890 395 - 0403890395: Internet Security Scam Report

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Community report for 0403 890 395 (0403890395): Caller falsely claimed contributor's internet connection was public, indicative of tech support scam tactics.

Internet Security Scam Reports for 0403 890 395

One contributor has reported receiving a scam call from 0403 890 395 (also written as 0403890395). The caller made a false claim that the contributor's internet connection was public, a common opening tactic used in tech support and security scams. This type of approach is designed to create alarm and prompt the target to engage further with the scammer.

The number is registered to Optus Mobile, suggesting the caller either spoofed a legitimate mobile number or is operating from a compromised account. Reports of internet security-themed scams targeting Australian mobile numbers have increased, with callers typically escalating from initial false claims to requests for remote access or payment.

What the Caller from 0403 890 395 Claimed

The contributor who answered the call from 0403890395 reported that the caller claimed their internet was public. This is a classic opening claim used by scammers to establish a sense of urgency and vulnerability. The caller did not proceed further in this instance, likely because the contributor recognised the tactic and did not engage.

Internet security scams often follow a predictable pattern: callers make alarming but vague claims about system vulnerability, then pivot to requesting access to the victim's device or demanding payment for supposed security software or remediation services.

Call Details and Pattern

The call from 0403 890 395 was answered by the contributor on 9 March 2026. No additional timing patterns or frequency data are available from this single report. However, scammers using similar false internet security claims typically operate during daytime business hours when people are more likely to be available and potentially distracted.

What to Do If You Receive a Call from 0403 890 395

If 0403 890 395 calls you:

• Do not: Confirm that your internet is experiencing issues, agree to grant remote access, or provide personal or financial information
• Do: Hang up immediately if the caller makes unsolicited claims about your internet or security
• Do: Verify any security concerns independently by contacting your internet service provider directly using a number from your service bill or their official website
• Do: Block the number in your phone's settings if calls continue

Remember: legitimate internet service providers and security companies do not cold-call you to warn about internet vulnerabilities. They contact you only in response to your request or through official notification channels.

How to Report 0403 890 395

If you receive similar calls from 0403 890 395 or other suspicious numbers, report them to:

• ACMA (Australian Communications and Media Authority): acma.gov.au - report scam calls and numbers being misused
• Scamwatch: scamwatch.gov.au - report scams and view alerts about current scam campaigns
• Reverseau: Report your experience with 0403890395 to help other Australians identify and avoid this number

Contributing your report helps build a community database of phone numbers used for scamming, making it easier for others to recognise and avoid the same callers.

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