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Okta Says Buyer Information Compromised in Twilio Hack

By Ionut Arghire on August 29, 2022

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Id and entry administration supplier Okta mentioned final week that buyer cell phone numbers and SMS messages containing one-time passwords (OTPs) had been compromised in the course of the latest Twilio cyberattack.

In early August, enterprise communications agency Twilio introduced that it was hacked after an worker fell sufferer to a phishing assault and offered their login credentials to a complicated risk actor.

The incident resulted in attackers accessing data associated to 163 Twilio clients, with safe communications agency Sign and Okta already confirming being impacted by the incident.

The assault on Twilio was half of a big marketing campaign that focused greater than 130 organizations, together with internet safety firm Cloudflare. Cybersecurity agency Group-IB tracks the marketing campaign as 0ktapus. Meals supply firm DoorDash was additionally hit.

Okta, which calls the risk actor behind these assaults Scatter Swine, says that’s has noticed the phishing infrastructure being deployed by the adversary, and that it isn’t unusual to see “Scatter Swine repeatedly concentrating on the identical organizations with a number of phishing websites inside a matter of hours.”

The corporate says that, in the course of the Twilio hack, a small variety of cell phone numbers and SMS messages containing OTPs – that are legitimate for 5 minutes – may very well be accessed by way of the Twilio console, and that each one impacted clients have been notified.

The risk actor particularly looked for some telephone numbers within the Twilio console, whereas different uncovered telephone numbers had been ‘incidental’ to the exercise.

“The risk actor looked for 38 distinctive telephone numbers within the Twilio console, practically all of which may be linked to a single focused group,” Okta says.

In response to Okta, the risk actor possible used beforehand compromised credentials to set off SMS-based multi-factor authentication challenges, and used their entry to the Twilio console to seek for OTPs.

“The second class of uncovered cell phone numbers had been incidental to this exercise. Incidental, on this case, may be outlined as telephone numbers which will have been current within the Twilio portal in the course of the risk actor’s restricted exercise window,” Okta notes.

The corporate says it has no indication that the adversary focused or used these telephone numbers, nor different data uncovered by way of the Twilio administrative portal – when performing searches within the console, the risk actor might view a listing of the latest 50 messages despatched utilizing Okta’s Twilio account.

Okta, which previously was focused straight by the risk actor by way of phishing, has offered particulars on the ways, strategies and procedures (TTPs) employed by Scatter Swine, together with their use of infrastructure offered by Bitlaunch, and that of area identify registrars Namecheap or Porkbun.

Associated: DigitalOcean Discloses Influence From Latest Mailchimp Cyberattack

Associated: Microsoft: 10,000 Organizations Focused in Giant-Scale Phishing Marketing campaign

Associated: DoorDash Discloses Information Breach Associated to Assault That Hit Twilio, Others

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