encryption

Let’s Encrypt issues 3 billion HTTPS certificates

Nonprofit certificate authority Let’s Encrypt hit a major milestone earlier this month: it issued its three billionth HTTPS certificate. The Let’s Encrypt project was founded in 2013 to provid

New code suggests Twitter is reviving its work on encrypted DMs

Under Elon Musk, Twitter may be reviving a project that would bring end-to-end encryption to its Direct Messaging system. Work appears to have resumed on the feature in the latest version of the Andro

WhatsApp confirms some users have access to its new group discussions feature, WhatsApp Communities

WhatsApp Communities, the messaging app’s anticipated expansion aimed at supporting larger discussion groups, has now rolled out to additional users as it nears a public launch. The company decl

Ravel emerges from stealth with privacy-first data tools based on scalable homomorphic encryption

The world has gotten a lot more serious about privacy and data protection, but in many cases business models that rely on personalization of one kind or another have struggled to keep up. Today, a sta

Ex-security chief accuses Twitter of cybersecurity mismanagement in an explosive whistleblower complaint

Twitter’s former head of security, Peiter “Mudge” Zatko, has accused his former employer of cybersecurity negligence in an explosive whistleblower complaint first obtained by CNN and The Washing

Signal says 1,900 users’ phone numbers exposed by Twilio breach

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. Tw

What you might have missed at Black Hat and Def Con 2022

Hackers, researchers, cybersecurity companies and government officials descended on Las Vegas last week for Black Hat and Def Con, a cybersecurity double-bill that’s collectively referred to as “h

Wire grabs fresh funding for secure messaging tech that’s big with G7 governments

More funding for European end-to-end encrypted messaging app, Wire: The enterprise-focused messaging platform told TechCrunch it closed a €24 million Series C round of funding led by growth equity f

Meta starts testing end-to-end encryption for individual Messenger chats

Meta said today it is expanding its end-to-end encryption test to individual Messenger chats. The social media giant said that starting this week, people included in the test will have their most freq

German semiconductor giant Semikron says hackers encrypted its network

Semikron, a German manufacturer that produces semiconductors for electric vehicles and industrial automation systems, has confirmed it has fallen victim to a cyberattack that has resulted in data encr

JusTalk spilled millions of user messages and locations for months

Popular messaging app JusTalk left a huge database of unencrypted private messages publicly exposed to the internet without a password for months. The messaging app has around 20 million international

Russian hackers behind SolarWinds are now hiding malware in Google Drive

The Russia-linked hacking group behind the infamous SolarWinds espionage campaign is now using Google Drive to stealthily deliver malware to its latest victims. That’s according to researchers a

This niche cryptographic technique could transform privacy in web3

Privacy is a core concern in crypto. Once you know a crypto wallet address corresponds to a certain individual, you can track all the transactions that individual has made through their wallet on any

US government says North Korean hackers are targeting American healthcare organizations with ransomware

The FBI, CISA and the U.S. Treasury Department are warning that North Korean state-sponsored hackers are using ransomware to target healthcare and public health sector organizations across the United

UK could force E2E encrypted platforms to do CSAM-scanning

The U.K. government has tabled an amendment to the Online Safety Bill that could put it on a collision course with end-to-end encryption. It’s proposing to give the incoming internet regulator,

This Week in Apps: Period tracking app privacy, Snapchat’s paid subscription, calls for TikTok ban

Welcome back to This Week in Apps, the weekly TechCrunch series that recaps the latest in mobile OS news, mobile applications and the overall app economy. The app industry continues to grow, with a re

US publisher Macmillan confirms cyberattack forced systems offline

Macmillan, one of the largest book publishers in the U.S., said it has been hit by a cyberattack that forced it to shut down its IT systems.  Macmillan spokesperson Erin Coffey told TechCrunch that t

Opaque Systems secures cash to keep data private while enabling collaboration

Opaque Systems, a startup developing what it describes as “AI for confidential computing,” today announced that it closed a $22 million Series A funding round led by Walden Catalyst Partne

Democrats ‘exploring’ legislation to protect data in reproductive health apps

U.S. House of Representatives Speaker Nancy Pelosi said Tuesday that Democrats are considering the introduction of legislation that could protect the abortion rights of citizens. Notably, her letter a

Period tracker Stardust surges following Roe reversal, but its privacy claims aren’t airtight

Period tracking app Stardust surged to the top of the U.S. Apple App Store in the wake of the Supreme Court’s decision to overturn Roe v. Wade after the app promised it will encrypt its users’ pri
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