Signal News and Articles

Security AI

Messaging app Signal will block Windows Recall from taking chat screenshots

WTF?! Recall is shaping up to be a security and privacy nightmare – and one of the most popular messaging platforms is already trying to patch the hole. Signal's developers are now resorting to a "weird trick" involving Windows DRM to shield users from unwanted Microsoft surveillance.

Full story By Alfonso Maruccia, May 22, 2025, 12:14 PM 13 comments

Security The Web

Signal defends itself after US military officials leak classified plans by mistake on group chat

The most secure messaging app - until someone invites a journalist

Facepalm: Signal likes to present itself as the most private and secure messaging service around, but the nonprofit likely didn't design the app for sharing classified plans regarding imminent military action. Yet earlier this month, senior US government and military officials did just that. Signal's president later defended the service amid renewed comparisons to WhatsApp.

Full story By Daniel Sims, March 25, 2025, 9:31 PM 35 comments

Download of the Week Software

Signal Messenger introduces reusable call links

Signal's new call links eliminate the need to create groups beforehand. Instead, users can simply generate a link that can be shared. These links are reusable, and group calls can accommodate up to 50 people.

By Erik Orejuela, November 12, 2024, 11:37 AM

Software Industry

Meta to enable WhatsApp and Messenger interoperability with iMessage, Telegram, and more in the EU

Reactions, message replies, and read receipts are part of the package

By Zo Ahmed, September 7, 2024, 2:57 PM

Space Tech Culture

Astronomers revisit 1977's iconic "Wow!" interstellar signal with a wild new theory

Researchers are eliminating aliens as a possible origin, but not everyone's buying their hypothesis

By Zo Ahmed, August 24, 2024, 11:16 AM 7 comments

Security Mobile

Telegram boss throws accusations at Signal, claims rival has ties to US government

Distracting from Telegram's own issues?

A hot potato: Forget about Intel vs. AMD and Apple vs. Microsoft, the biggest, most intense public rivalry in the tech world right now is between messaging platforms Telegram and Signal. The latest attack came from Telegram CEO Pavel Durov, who suggested Signal was not secure and accused it of having ties to the US government.

Full story By Rob Thubron, May 16, 2024, 5:16 AM 12 comments

How Does JPEG Work? Understanding the Subtle Beauty of Image Compression

FEATURE By Abdulrahman Mahmoud, February 5, 2024, 6:07 AM TechSpot Tech Culture

At a high level, JPEG is a lossy image compression technique. What you may not realize is that achieving this required a fascinating blend of human perception, elegant signal processing, and clever engineering prowess.

Let's begin with a visual challenge: What are the colors of the tiles marked as A and B in the image?

AI Tech Culture

AI is a surveillance technology, says Signal boss

AI companies are abusing both human workers and user privacy to make money

By Alfonso Maruccia, September 27, 2023, 10:08 AM

Security Mobile

WhatsApp and Signal would leave the UK rather than comply with potential requirement for weakened encryption

Many say the Online Safety Bill's requirements aren't possible without removing end-to-end encryption

By Rob Thubron, March 10, 2023, 9:15 AM

Software Download of the Week

Signal rolls out Snapchat-like "Stories" to Android and iPhone users

Signal, the privacy-focused messaging platform, has introduced "Stories", allowing you to share pictures and videos that will disappear after 24 hours.

By Ivan Franco, November 8, 2022, 10:34 AM

Essential Apps to Install on your Windows PC or Mac

FEATURE By TechSpot Staff, February 7, 2022, 6:07 AM TechSpot Software

You just bought a new laptop, built a new desktop, or are clean installing your OS, good for you! Gotta love the taste of a fresh new machine. Now it's time to get back to productivity Zen by recovering your files and installing programs. Not sure which ones? Well, let us help.

The Web Industry

Signal CEO steps down, appoints WhatsApp co-founder Brian Acton as interim chief

Signal is searching for a permanent CEO

By Shawn Knight, January 11, 2022, 2:48 PM 10 comments

Download of the Week Software

Signal is the go-to app for true private messaging

Using end-to-end encrypted messaging can make data inaccessible to those that wish to collect it. Signal is the gold standard for private messaging apps (desktop and mobile), it is free and open source.

By Ivan Franco, January 10, 2022, 1:09 PM

Messaging Apps: Encrypted or not? WhatsApp, iMessage, Discord, Zoom, etc.

FEATURE By Garrett Gosnell, October 21, 2021, 6:08 AM TechSpot Security

Using end-to-end encrypted messaging services can make this data inaccessible to third parties and protection from bad actors. So the question is, which popular messaging apps use end-to-end encryption?