Elon Musk and Twitter are now fighting about Signal messages

Elon Musk’s private messages could once again land him in hot water in his legal fight with Twitter. Lawyers for the two sides once again faced off in Delaware’s Court of Chancery ahead of an October trial that will determine the fate of the deal.

 

Among the issues raised in the more than three-hour long hearing was Musk’s use of encrypted messaging app Signal. Twitter’s lawyers claim that Musk has been withholding messages sent via the app, citing a screenshot of an exchange between Musk and Jared Birchall, the head of Musk’s family office.

 

In Twitter’s View

 

According to Twitter’s lawyers, the message referenced Morgan Stanley and Marc Andreesen as well as “a conversation about EU regulatory approval” of Musk’s deal with Twitter. Twitter’s lawyers said they uncovered a screenshot of the exchange after Musk and Birchall had denied using Signal to talk about the deal. The screenshot showed the message was set to automatically delete.

 

Lawyers for Twitter also cited “a missing text message” between Musk and Oracle Chairman Larry Ellison, who was set to be a co-investor in the Twitter deal. Musk and Ellison were texting the morning before Musk tweeted that the Twitter deal was “temporarily on hold.” It’s not clear what the significance of the texts are, but Twitter’s lawyers noted that Musk wrote to Ellison saying “interesting times” before arranging a phone call with him.

 

Twitter’s lawyers are asking the judge in the case, Kathaleen St. J. McCormick, to sanction Musk over his side’s handling of his messages. “We do think that the time has come for the court to issue a severe sanction,” Twitter’s lawyers said during the hearing.

 

In Elon Musk’s View

 

Musk’s side attempted to downplay the significance of the Tesla CEO’s use of Signal. “There actually is no evidence that we destroyed evidence,” one of Musk’s lawyers responded. “Signal, you know, it sounds like it’s a nefarious device,” she said. “In fact, Twitter executives have testified that a number of them actually use Signal messaging.”

 

Musk’s lawyers cited the existence of Signal messages between Jack Dorsey and board chair Bret Taylor, and noted that current CEO Parag Agrawal has also turned over Signal messages. “Signal is not some exotic mechanism, it’s very common in Silicon Valley to use this platform,” she said.

 

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Signal revealed that third-party data breach exposed 1,900 phone numbers

Signal is not invulnerable to hacking incidents. The company said that a data breach at verification partner Twillio exposed the phone numbers and SMS codes of roughly 1,900 users.

 

Signal’ End-to-end encryption is a failure

 

TechCrunch reported, “End-to-end encrypted messaging app Signal says attackers accessed the phone numbers and SMS verification codes for almost 2,000 users as part of the breach at communications giant Twilio last week.

 

Twilio, which provides phone number verification services to Signal, said on August 8 that malicious actors accessed the data of 125 customers after successfully phishing multiple employees. Twilio did not say who the customers were, but they are likely to include large organizations after Signal on Monday confirmed that it was one of those victims.

 

Signal said in a blog post Monday that it would notify about 1,900 users whose phone numbers or SMS verification codes were stolen when attackers gained access to Twilio’s customer support console.”

 

The data hacked has already been misused and it’s a big trouble for the users

 

Signal’s Steps

 

According to Engadget, “Signal is taking steps to limit the damage. It will unregister the app on all devices linked to affected accounts, forcing users to re-register. The team also recommended enabling a registration lock that bars anyone from re-registering on other devices without providing a PIN code.

 

Twilio revealed the breach on August 8th. The currently unidentified perpetrators used phishing scams to obtain login details and access the accounts of 125 customers. Although it’s not clear which other customers were affected, Twilio typically serves large companies and organizations.

 

The attack increases pressure on Signal to join other encrypted messaging providers in moving away from phone numbers, which can be vulnerable to SIM swaps and other digit-based schemes. This is also a reminder that systems are only as secure as their technology partners — a slip at a third-party is sometimes as dangerous as a direct assault.”