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    4 out of 10 Emails are Unwanted as nearly 40% of all Attacks Start with Phishing

    New data focused on emails sent through Microsoft 365 highlights the methods used to ensure a successful attack beginning with a malicious email.

    Microsoft 365 is such a massive target of phishing attacks, there are tons of articles on this site alone about various ways threat actors have creatively focused their efforts to steal credentials and gain access to Microsoft 365 accounts.

    According to Hornet Security’s Cyber Security Report 2023 – which focuses specifically on the Microsoft 365 threat landscape – there’s a lot to learn about phishing attacks from the analysis of more than 25 billion emails. First off, 40.5% of them are unwanted, with 5% of those emails being marked as malicious – netting around 2% of all email as being malicious.

    According to the report, the most frequently used filetypes in phishing-based attacks on Microsoft 365 are:

    • 28% – Archive files (e.g., ZIP)
    • 21% – HTML
    • 13% – Word documents
    • 12% – PDFs
    • 10% – Excel documents

    This year’s report also shows continued success for threat actors with phishing activities. Phishing remains the number one attack technique on the list at 39.6%, with Malicious URLs in 3rd place at 12.5%. Second place on the list is the “other” attack type classification which is a combination of several less frequently used attacks.

    A repeated sentiment throughout this report is the need to educate users – through continual Security Awareness Training – on the presence of malicious emails, the attachments used, and the social engineering scams involved to trick the recipient into opening that attachment or clicking that link.

    Microsoft 365 will likely continue to be a dominant target for attackers seeking to harvest credentials, making it necessary that all users of this platform be educated to remain vigilant when interacting with every email – unwanted or not.


    Free Phishing Security Test

    Would your users fall for convincing phishing attacks? Take the first step now and find out before bad actors do. Plus, see how you stack up against your peers with phishing Industry Benchmarks. The Phish-prone percentage is usually higher than you expect and is great ammo to get budget.

    Here’s how it works:

    • Immediately start your test for up to 100 users (no need to talk to anyone)
    • Select from 20+ languages and customize the phishing test template based on your environment
    • Choose the landing page your users see after they click
    • Show users which red flags they missed, or a 404 page
    • Get a PDF emailed to you in 24 hours with your Phish-prone % and charts to share with management
    • See how your organization compares to others in your industry

    PS: Don’t like to click on redirected buttons? Cut & Paste this link in your browser: https://info.knowbe4.com/phishing-security-test-partner?partnerid=001a000001lWEoJAAW

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