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If your inbox suddenly exploded with hundreds or thousands of emails per hour, you might be experiencing what’s known as an email bomb attack — or more specifically, a subscription bomb. This isn’t just an annoying spam wave — it can be a cover for fraud or identity theft.
In this blog, we’ll explain what’s happening, why it’s dangerous, and step-by-step actions you should take right away.
An email bomb occurs when someone signs your email address up for thousands of newsletters and mailing lists at once. You suddenly begin receiving 20 to 50+ emails per minute, making your inbox unmanageable.
This tactic is often used to distract you from real-time fraud, such as:
While it may look like a simple spam attack, it’s frequently used to hide important emails — like a purchase confirmation, a password reset email, or a notification from your bank.
If you recently:
…you may have unknowingly exposed your email to bad actors.
Use a secure device like your phone and:
Start with your email account, then update:
Use unique passwords + 2FA.
Some of these fake emails use malicious links disguised as unsubscribe buttons. Avoid clicking anything unless the email is from a verified, trusted sender.
Set filters in Gmail/Outlook to:
This helps you spot real threats.
Use services like:
They can alert you to sudden credit activity or fraudulent account openings.
Services like Gmail allow you to create aliases using yourname+job@gmail.com
. This helps you track which services leaked your email.
One breach = total compromise if you reuse login credentials.
Disable browser autofill for sensitive info. Some phishing sites abuse it without your knowledge.
Use third-party tools like:
They help mass delete or categorize unwanted email.
Many victims of email bombs have shared similar patterns:
Do not wait for the flood to die down. Assume this is part of a larger attempt to steal or exploit your data.
Secure your accounts, notify your bank, and clean up your inbox methodically. If it gets worse or feels targeted, consider reporting the event to your local cybercrime authority or a security expert.