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MailGuard 21 January 2026 13:42:09 AEDT 6 min read

Telstra spoofed in “Billing Adjustment” refund scam

MailGuard’s AI-powered filter network is intercepting a new phishing campaign that impersonates Telstra and attempts to harvest ...

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Phishing
fastbreak
Ransomware
thought leadership
business email compromise

Craig McDonald 17 June 2021 9 min read

The anatomy of a phishing email scam: How social engineering techniques trick users

A personalised and targeted email, an opportune offer and the impersonation of multiple ...

Craig McDonald 28 May 2021 8 min read

Ransomware: To pay or not to pay? 5 factors to consider

Your business data is being held hostage, encrypted with only your attackers holding the ...

Craig McDonald 13 April 2021 11 min read

The dreaded 3am phone call: Lessons from the cyber-attack on Nine Entertainment Co.

It’s been called the “largest cyber-attack on a media company in Australia's history," ...

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Telstra spoofed in “Billing Adjustment” refund scam 21 January 2026 SharePoint “Your signature is required” invite leads to fake Microsoft sign-in 16 January 2026 Australia Post Delivery Scam: What Your Team Needs to Know 17 December 2025

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