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ASCII smuggling helps spammers bypass AI email filters, The Indian Express reports

The Indian Express, citing Microsoft, reports a surge in 2026 in spam messages reaching email inboxes with the help of ASCII smuggling.

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5 Sources, 26d ago, first seen 26d ago

TLDR

The Indian Express describes how ASCII smuggling is helping spammers bypass AI email filters. Citing Microsoft, it reports that the number of spam messages delivered to inboxes with ASCII smuggling’s help has surged in 2026.

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20.8K

5 Sources, first seen 26d ago

10 likes2 comments10 saves2 reposts

Combined views

20.8K

5 Sources, first seen 26d ago

10 likes2 comments10 saves2 reposts

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5 Sources

@arstechnicaOnce popular for attacking AI, ASCII smuggling is embraced by spammers https://arstechnica.com/security/2026/09/once-popular-for-attacking-ai-ascii-smuggling-is-embraced-by-spammers/?utm_campaign=dhtwitter&utm_content=%3Cmedia_url%3E&utm_medium=social&utm_source=twitter
@IndianExpressIn 2026, there has been a surge in the number of spam messages delivered to email inboxes with the help of ASCII smuggling, according to Microsoft. https://indianexpress.com/article/technology/tech-news-technology/what-is-ascii-smuggling-spam-ai-email-filters-10865353/?utm_medium=Social&utm_source=Twitter#Echobox=1788679101
@techradarHackers are using 'invisible' Unicode characters to sneak phishing lures into emails https://www.techradar.com/pro/security/hackers-are-using-invisible-unicode-characters-to-sneak-phishing-lures-into-emails
@thenewstackMicrosoft built a prompt injection detector. Then it caught a phishing campaign instead. https://thenewstack.io/unicode-ascii-smuggling-ai-pipelines/?taid=6a9ec36b4fb59000011bfe74&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter
@HotHardwareA new variation of keyword smuggling known as ASCII smuggling has emerged, and Microsoft's released a detailed timeline of the first large-scale campaign. https://hothardware.com/news/microsoft-exposes-sneaky-unicode-trick-hiding-in-millions-of-emails
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    5 Sources

    @arstechnicaOnce popular for attacking AI, ASCII smuggling is embraced by spammers https://arstechnica.com/security/2026/09/once-popular-for-attacking-ai-ascii-smuggling-is-embraced-by-spammers/?utm_campaign=dhtwitter&utm_content=%3Cmedia_url%3E&utm_medium=social&utm_source=twitter
    @IndianExpressIn 2026, there has been a surge in the number of spam messages delivered to email inboxes with the help of ASCII smuggling, according to Microsoft. https://indianexpress.com/article/technology/tech-news-technology/what-is-ascii-smuggling-spam-ai-email-filters-10865353/?utm_medium=Social&utm_source=Twitter#Echobox=1788679101
    @techradarHackers are using 'invisible' Unicode characters to sneak phishing lures into emails https://www.techradar.com/pro/security/hackers-are-using-invisible-unicode-characters-to-sneak-phishing-lures-into-emails
    @thenewstackMicrosoft built a prompt injection detector. Then it caught a phishing campaign instead. https://thenewstack.io/unicode-ascii-smuggling-ai-pipelines/?taid=6a9ec36b4fb59000011bfe74&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter
    @HotHardwareA new variation of keyword smuggling known as ASCII smuggling has emerged, and Microsoft's released a detailed timeline of the first large-scale campaign. https://hothardware.com/news/microsoft-exposes-sneaky-unicode-trick-hiding-in-millions-of-emails
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