Twilio Reveals Another Breach from the Same Hackers Behind the August Hack

Interaction products and services supplier Twilio this 7 days disclosed that it seasoned yet another “transient security incident” in June 2022 perpetrated by the similar threat actor behind the August hack that resulted in unauthorized accessibility of consumer information and facts.

The security celebration happened on June 29, 2022, the organization reported in an up-to-date advisory shared this 7 days, as portion of its probe into the digital crack-in.

“In the June incident, a Twilio worker was socially engineered as a result of voice phishing (or ‘vishing’) to give their qualifications, and the destructive actor was able to entry shopper contact info for a confined selection of shoppers,” Twilio mentioned.

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It further more stated the obtain attained next the prosperous attack was recognized and thwarted inside 12 hours, and that it had alerted impacted buyers on July 2, 2022.

The San Francisco-based agency did not reveal the correct range of prospects impacted by the June incident, and why the disclosure was designed four months immediately after it took position. Particulars of the next breach arrive as Twilio pointed out the danger actors accessed the information of 209 customers, up from 163 it documented on August 24, and 93 Authy customers.

Twilio, which features personalized customer engagement software program, has around 270,000 consumers, although its Authy two-factor authentication company has somewhere around 75 million full end users.

“The past observed unauthorized activity in our natural environment was on August 9, 2022,” it said, introducing, “There is no proof that the destructive actors accessed Twilio customers’ console account credentials, authentication tokens, or API keys.”

To mitigate this sort of attacks in the potential, Twilio reported it’s distributing FIDO2-compliant hardware security keys to all workers, implementing extra levels of command in just its VPN, and conducting mandatory security teaching for workforce to enhance recognition about social engineering attacks.

The attack from Twilio has been attributed to a hacking team tracked by Group-IB and Okta below the names 0ktapus and Scatter Swine, and is section of a broader campaign towards program, telecom, money, and instruction businesses.

The infection chains entailed figuring out cellular phone figures of employees, followed by sending rogue SMSes or contacting people figures to trick them into clicking on bogus login pages, and harvesting the qualifications entered for adhere to-on reconnaissance operations within just the networks.

As numerous as 136 corporations are approximated to have been targeted, some of which include Klaviyo, MailChimp, DigitalOcean, Sign, Okta, and an unsuccessful attack aimed at Cloudflare.

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