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Major spam email warning - AI now generates almost all of your junk mail

Date:
Thu, 19 Jun 2025 16:03:00 +0000

Description:
AI is still not that heavily used in BEC attacks, report finds.

FULL STORY

The majority of spam emails being sent out today are being written by
Generative Artificial Intelligence ( GenAI ), new research has claimed. 

A report from Barracuda has argued cybercriminals are not using AI to change
their attack tactics, but rather to refine them and make them more difficult
to spot. 

The study compared emails sent before the emergence of ChatGPT (pre-November
2022), to the ones sent after, and noticed a significant change - namely
criminals are mostly using GenAI in spam.

Increasing credibility 

By April 2025, 51% of spam emails were generated by an AI, rather than a
human, they determined. 

The majority of the emails currently sitting in the average junk/spam folder
are likely to have been written by a large language model (LLM), they
explained.

On the other hand, criminals don't seem to be that eager to use AI in 
Business Email Compromise (BEC) attacks. As per the researchers, these types
of attack involve precision and typically target a senior person in an
organization. As a result, by April 2025, just 14% of BEC attacks were
generated by an AI. 

As one might expect, AI-generated messages are better written. They have a
higher level of formality, fewer grammar errors, and greater linguistic
sophistication. Therefore, they appear more credible and professional to the
victims, increasing the likelihood of them falling prey. 

It also means that cyberattackers whose native language is not English will
have an easier time targeting businesses in English-speaking countries.
Finally, crooks seem to be using AI to A/B test different spam variants,
trying to determine which wording variations perform better in real-life
environments. 

The best way to defend against AI-generated spam messages is with AI-powered
email security solutions. In the pre-GPT era, one could spot phishing and 
spam by simply proofreading the email - these messages were usually filled
with spelling and grammar errors, while the language was crude and
out-of-character most of the time. 

Since AI eliminated these red flags, an advanced email security solution,
equipped with multilayered, AI/ML-enabled detection, is crucial, the
researchers concluded.

======================================================================
Link to news story:
https://www.techradar.com/pro/website-building/major-spam-email-warning-ai-now
-generates-almost-all-of-your-junk-mail

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