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MailGuard 18 March 2026 15:52:16 AEDT 9 min read

Compromised Healthcare Admin sends warning after email pushes fake PDF and M365 phishing page

A new phishing campaign intercepted by MailGuard is exploiting a tactic that can easily catch busy employees off guard, a ...

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MailGuard 18 March 2026 9 min read

Compromised Healthcare Admin sends warning after email pushes fake PDF and M365 phishing page

A new phishing campaign intercepted by MailGuard is exploiting a tactic that can easily ...
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MailGuard 16 January 2026 5 min read

SharePoint “Your signature is required” invite leads to fake Microsoft sign-in

MailGuard’s filter network is intercepting a new phishing campaign that uses a ...
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MailGuard 19 November 2025 6 min read

Office 365 “Confirm your billing information” Scam Imitates Microsoft Support

Compromising a single Microsoft 365 account can give scammers the keys to your business. ...
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MailGuard 18 June 2025 5 min read

Microsoft Teams Voicemail Fake Redirects to Phishing Scam

MailGuard has intercepted a deceptive phishing campaign that impersonates Microsoft ...
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MailGuard 07 May 2025 5 min read

Microsoft Entra Exploited to Deliver PayPal-Themed “Refund” Scams

The latest wave of phishing emails targeting inboxes is exploiting Microsoft’s trusted ...
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MailGuard 28 April 2025 5 min read

Phishing Scam Impersonates Airline CEO to Steal Microsoft Credentials

MailGuard has intercepted a new phishing scam that is currently circulating, targeting ...
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MailGuard 24 April 2025 5 min read

Microsoft-Themed Phishing Scam Disguised as a “Misplaced PDF Statement

A new phishing scam intercepted by MailGuard is targeting businesses across Australia, ...
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MailGuard 22 November 2024 6 min read

DE-BRIEF: ASD, CYBER THREAT REPORT 2023–2024

This week the Australian Signals Directorate (ASD) released its annual report for ...
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MailGuard 20 November 2024 3 min read

Sextortion Scam Uses Microsoft 365 Admin Portal Vulnerability

Microsoft 365 users are being warned to look out for sextortion scams that are exploiting ...
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MailGuard 19 April 2024 5 min read

Beware Office 365 Password Reset Hoax

In a reminder that scammers are always trying to snare Office 365 credentials, this email ...
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MailGuard 12 March 2024 4 min read

Microsoft Re-Authentication Scam Targets User Credentials

In an attempt to steal sensitive Microsoft login credentials, scammers are distributing a ...
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MailGuard 02 June 2023 3 min read

New Email Phishing Threat Targets Microsoft 365 Users

We recently defended against this new email phishing threat targeting Microsoft 365 ...
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Gabi Power 05 May 2023 7 min read

Microsoft Scam Warns Users: ‘Password Authentication Required’

Security-focused businesses often use passwords with expirations in the hopes that if an ...
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Gabi Power 06 April 2023 5 min read

Scammers Targeting Microsoft Office Users with Quarantined Email Scam

Over the past few months, the MailGuard team has noticed an abundance of phishing emails ...
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MailGuard 25 November 2021 4 min read

Microsoft Spoofed In ‘Microsoft 365 Invoice’ Email Phishing Scam

Microsoft 365 Business customers beware, there’s a phishing email currently circulating, ...
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Recent Blog Posts
Compromised Healthcare Admin sends warning after email pushes fake PDF and M365 phishing page 18 March 2026 Vodien domain expiry scam targets payment card details 12 March 2026 Fake “learning path” scam documents aim to steal Microsoft 365 credentials 10 March 2026
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