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Twitter’s Clumsy Pivot to Is a Present to Phishers – Krebs on Safety

On April 9, Twitter/X started routinely modifying hyperlinks that point out “” to learn “” as a substitute. However over the previous 48 hours, dozens of latest domains have been registered that exhibit how this alteration could possibly be used to craft convincing phishing hyperlinks — similar to fedetwitter[.]com, which till very not too long ago rendered as in tweets.

The message displayed when one visits, which Twitter/X displayed as in tweets and messages.

A search at reveals at the least 60 domains have been registered over the previous two days for domains ending in “,” though analysis thus far reveals nearly all of these domains have been registered “defensively” by non-public people to stop the domains from being bought by scammers.

These embrace, which Twitter/X truncated to when the area appeared in consumer messages or tweets. Visiting this area presently shows a message that begins, “Are you severe, X Corp?”

Replace: It seems Twitter/X has corrected its mistake, and now not truncates any area ending in “” to “”

Authentic story:

The identical message is on different newly registered domains, together with (, (, (, ( and ( The message left on these domains signifies they had been defensively registered by a consumer on Mastodon whose bio says they’re a methods admin/engineer. That profile has not responded to requests for remark.

Various these new domains together with “” look like registered defensively by Twitter/X customers in Japan. The area (, to Twitter/X customers) now shows a message saying it was “acquired to stop its use for malicious functions,” together with a Twitter/X username.

The area talked about originally of this story — — redirects customers to the weblog of a Japanese know-how fanatic. A consumer with the deal with “amplest0e” seems to have registered, which Twitter/X customers would see because the CEO’s “” The area “” already redirects to the true

A few of the domains registered not too long ago and ending in “” presently don’t resolve and comprise no helpful contact data of their registration information. These embrace firefotwitter[.]com (, ngintwitter[.]com (, and webetwitter[.]com (

The area, which Twitter/X till very not too long ago rendered as “,” redirects to this weblog publish warning in regards to the latest adjustments and their potential use for phishing.

Sean McNee, vice chairman of analysis and information at DomainTools, instructed KrebsOnSecurity it seems Twitter/X didn’t correctly restrict its redirection efforts.

“Unhealthy actors might register domains as a approach to divert site visitors from reputable websites or manufacturers given the chance — many such manufacturers within the high million domains finish in x, similar to webex, hbomax, xerox, xbox, and extra,” McNee stated. “Additionally it is notable that a number of different globally well-liked manufacturers, similar to Rolex and Linux, had been additionally on the record of registered domains.”

The obvious oversight by Twitter/X was trigger for amusement and amazement from many former customers who’ve migrated to different social media platforms for the reason that new CEO took over. Matthew Garrett, a lecturer at U.C. Berkeley’s Faculty of Info, summed up the Schadenfreude thusly:

“Twitter simply doing a ‘redirect hyperlinks in tweets that go to to as a substitute however unintentionally achieve this for all domains that finish like eg going to’ is just not completely the funniest factor I might think about but it surely’s excessive up there.”



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