Stay Ahead of Evolving Security Threats
Cybercriminals are always evolving, and so should your defences. This month, we shine a spotlight on three often-overlooked yet critical security concerns that could put your business at risk. From app-based phishing scams to hijacked phone numbers and forgotten employee accounts, it’s never been more important to stay informed.
Consent Phishing in Microsoft 365: When Apps Are the Attack Vector
Not all phishing attacks try to steal your password. In consent phishing, attackers trick users into granting a malicious third-party app access to their Microsoft 365 data. Once consent is granted, attackers can read emails, access files, and even send messages—all without needing login credentials.
Why It Matters:
Admins may not realise the app has excessive permissions.
It bypasses traditional credential security tools.
How to Stay Safe:
Educate users to check app permission prompts carefully.
Review and audit all connected apps in your Microsoft 365 admin portal.
Use Conditional Access policies to restrict app authorisations.
Real-World Impact:
Social media and email accounts can be compromised in minutes.
Banking and payment apps may be taken over.
Victims often don’t realise until it’s too late.
How to Protect Yourself:
Use app-based authentication like Microsoft Authenticator or Google Authenticator.
Monitor mobile account changes and watch for loss of signal.
Use internal security codes or keywords for financial approvals.
Why You Should Act:
Dormant accounts often lack modern MFA protection.
They’re rarely monitored, making them easy targets.
Attackers can move laterally through your network once inside.
Best Practices:
Conduct regular user audits to identify and remove stale accounts.
Implement automated offboarding procedures.
Use identity governance tools to enforce access reviews.
Vulnerabilities to Be Aware Of:
Cybercriminals are constantly looking for new ways to exploit both enterprise software and home devices. Here are some notable security threats disclosed in June 2025 that you should be aware of:
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Critical ASUS Router Vulnerability
A severe flaw in ASUS routers could allow attackers to gain admin-level access. If exploited, it gives full control over your network configuration.
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Microsoft 365 Copilot Security Flaw
A critical vulnerability in Copilot for Microsoft 365 could allow unauthorised access to sensitive content and data summaries. Microsoft is investigating and has issued interim mitigation advice.
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Microsoft June 2025 Patch Tuesday
This month's updates fixed over 60 vulnerabilities, including a zero-day actively exploited in the wild. Ensure your systems are patched promptly.
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Millions of Home Devices Targeted
New reports show that millions of home internet devices—especially those with weak default credentials—are being targeted for botnet activity.
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OpenVPN Driver Flaw
A vulnerability in the OpenVPN driver could allow attackers to crash Windows systems using malicious input, affecting many remote access setups.
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New Security Defaults for Windows 365 Cloud PCs
Microsoft has introduced stronger default security configurations to better protect Windows 365 Cloud PC users—aimed at reducing identity compromise.
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Veeam Fixes Another Critical RCE Flaw
For the third time in a year, Veeam has patched a critical Remote Code Execution vulnerability in its Backup & Replication software. Organisations using Veeam should update immediately.
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Security Gaps You Didn't Know You Had
As cybersecurity threats continue to evolve, some of the biggest risks to your organisation might not be obvious. In this month’s IT Bulletin, we shine a light on three critical security concerns that are often underestimated or overlooked entirely. These issues can silently compromise systems, leak data, or be exploited without detection.
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