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And the researchers found that the majority of targets are cloud services, software development companies, or IT management firms. Of those, 114 victim companies are based in the United States. Researchers from the cybersecurity firm Group-IB said in a report on Thursday that it had identified and notified 136 organizations that seemed to be victims of the phishing campaign. Attackers also targeted the internet infrastructure company Cloudflare in their campaign, but the company said at the beginning of August that it wasn't compromised because of its limits on employee access and use of physical authentication keys for logins. Twilio says that the malicious URLs contained words like 'Twilio,' 'Okta,' or 'SSO' to make the URL and the malicious landing page it linked to seem more legitimate.

#Twilio authy accounts update#

The texts often claimed to come from a company's IT department or logistics team and urged recipients to click a link and update their password or log in to review a scheduling change. Pwn the multi-factor authentication, pwn the world.”Īttackers compromised Twilio as part of a massive yet tailored phishing campaign against more than 130 organizations in which attackers sent phishing SMS text messages to employees at the target companies. “It was a patient hack that was super-targeted yet broad.

“I think this will go down as one of the more sophisticated long-form hacks in history,” said one security engineer who asked not to be named because their employer has contracts with Twilio. The Twilio hacking campaign, conducted by an actor that has been called “0ktapus” and “Scatter Swine,” is significant because it illustrates that phishing attacks can not only provide attackers valuable access to a target network, but even kick off supply chain attacks, in which access to one company’s systems provides a window into those of their clients.

Even a company like Authy, whose core product is an authentication code-generating app, uses some of Twilio's services. Though it's long been known that SMS is an insecure way to receive these codes, it's definitely better than nothing, and organizations haven't been able to move away from the practice completely. This could mean a system a barber uses to remind customers about haircuts and have them text back “Confirm” or “Cancel.” But it can also be the platform through which organizations manage their two-factor authentication text messaging systems for sending one-time authentication codes. Make sure that Multi-device is enabled, and then uninstall and re-install Authy on your original device.Twilio provides application programming interfaces through which companies can automate call and texting services.On your new Authy install, remove all devices except for the one labeled as “This Device”.For each “Not backed up” 2FA account, login to the account’s corresponding website, and temporarily disable two factor authentication.The only missing tokens should be the 2FA Accounts labeled “Not backed up” on your old Authy install. Once installed, verify that all of your 2FA Account tokens are properly loaded and decrypted on the new device.

#Twilio authy accounts install#

Download and install the Authy app on another computer or wireless device, and login with your same phone number.

To resolve this issue, please follow the following steps in order. When an Authy app becomes out of sync with the device, users may see the error No Internet Connection.

When attempting to make changes to a de-registered Authy app, users may see the error Device not found.

When an Authy app becomes de-registered, users may see a new 2FA account token listed with the status Not backed up.

#Twilio authy accounts how to#

This guide explains possible scenarios when this issue may occur, and how to resolve it. When using the Authy app on multiple devices or computers, it’s possible for an installation of the Authy app to become de-registered from your account, and out of sync.