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What is Signal? The basics of the most secure messaging app. – Mashable

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End-to-end encrypted, customizable timeframes for disappearing messages, run by a non-profit organization that collects no data on users. What's not to love?

End-to-end encrypted, customizable timeframes for disappearing messages, run by a non-profit organization that collects no data on users. What’s not to love?
Image: Thomas Trutschel/Photothek via Getty Images

Existing Signal users might be getting more notifications than usual. “Jack is on Signal,” “Cathy is on Signal,” “Miriam is on Signal,” all pings showing phone contacts who are joining the secure messaging app.

Those pings reflect the fact that there’s been an influx of new users. Known for its end-to-end encryption and independent structure as a non-profit organization run by a foundation — not a big tech company — Signal has previously been the communication method of choice for activists, people in the hacker community, and others concerned about privacy.

Recently, it’s gone mainstream.

Recently, Facebook-owned WhatsApp — which is end-to-end encrypted using Signal’s protocols — began issuing a privacy update notification to users making clear that it is sharing user data with Facebook (which it has actually been doing for years). That’s led people to look elsewhere for a secure communications app, helped along by Elon Musk’s Jan. 7 tweet which simply stated: “Use Signal.” 

Over the past three years, Signal has also been investing in more infrastructure and features to support its users. That’s a good thing: Signal first saw an increase in users in the spring as people participating in anti-racist protests around the killing of George Floyd realized how closely law enforcement was surveilling them and asking companies to hand over user data. It’s only become more popular since then. As of this writing, Signal is at the top of the Apple App Store and Google Play Store, and its two-factor authentication onboarding system even got briefly delayed Thursday because so many people were trying to sign up.

So, thinking about joining Signal? Bottom line: If you care about privacy, it’s a good idea. Here’s what you need to know.

OK, so what is Signal?

Signal is a free, privacy-focused messaging and voice talk app you can use on Apple and Android smartphones and via desktop. All you need is a phone number to join. You can text or make voice or video calls with friends, either one-on-one or in groups, and use emoji reactions or stickers just like in other apps. But there’s one big difference: Signal is actually really private.

Is the Signal app secure?

Communications on Signal are end-to-end encrypted, which means only the people in messages can see the content of those messages — not even the company itself. Even sticker packs get their own special encryption

Signal created the encryption protocol (basically, the technical way you implement this) that other companies including WhatsApp and Skype use. Plainly put, it is the gold standard of privacy. 

Is Signal really private?

Yes — and that privacy goes beyond the fact that the content of your messages is encrypted. You can set messages to disappear after certain customizable time frames. Plus, Signal collects virtually no data on its users. The only information you give the app is your phone number, and the company is even working on a way to decouple that from using Signal by making encrypted contact servers. If the police come knocking to Signal for data on its users, it says, truthfully, that it has no data to hand over.

Part of the reason it collects no data is because Signal is a non-profit organization, not a for-profit company. It has no advertising, so no incentive to track users. Instead, it’s funded by grants and private investors — one of whom had a huge personal interest in making a privacy-oriented platform. Though a small group of privacy activists created Signal in 2013, it has grown in recent years. In 2018, WhatsApp founder Brian Acton donated $50 million to create the Signal Foundation, which now runs Signal. Acton got on board with the mission to make a truly private messaging service after Facebook acquired WhatsApp and Acton reportedly left the company amid clashes with Facebook over how it was eroding WhatsApp’s privacy.

Signal vs. WhatsApp (and other messaging apps).

Both Signal and WhatsApp are end-to-end encrypted using the same technology. That means the content of the messages you send and calls you have are both private. However, Facebook collects lots of other information in the form of usage statistics, metadata, and more. And there’s no longer a way to opt out. 

Signal does not have as many fancy customization features as WhatsApp, like backgrounds. But when it comes to true privacy, there is no comparison. 

You can see a full list of alternatives to Facebook-owned messaging services here.

Another app rising in popularity is Telegram. Telegram says it’s also all about privacy, but it actually has plenty of downsides. Messages on Telegram are not truly end-to-end encrypted by default. Plus, the fact that private groups are unlimited in size, can be joined via a link, and are explicitly not moderated has made it a hotbed for toxic and illegal content, like terrorism and revenge porn (also known as non-consensual pornography). Signal does not moderate content either, but it limits groups to 1,000, and is more about communicating with people who are actual contacts than joining groups of strangers like on WhatsApp and Telegram.

Where to download Signal

You can find Signal in Apple’s App Store or in the Google Play store. It’s currently very easy to find since it’s sitting right at the top of the Free Apps chart. 

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Ottawa orders TikTok’s Canadian arm to be dissolved

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The federal government is ordering the dissolution of TikTok’s Canadian business after a national security review of the Chinese company behind the social media platform, but stopped short of ordering people to stay off the app.

Industry Minister François-Philippe Champagne announced the government’s “wind up” demand Wednesday, saying it is meant to address “risks” related to ByteDance Ltd.’s establishment of TikTok Technology Canada Inc.

“The decision was based on the information and evidence collected over the course of the review and on the advice of Canada’s security and intelligence community and other government partners,” he said in a statement.

The announcement added that the government is not blocking Canadians’ access to the TikTok application or their ability to create content.

However, it urged people to “adopt good cybersecurity practices and assess the possible risks of using social media platforms and applications, including how their information is likely to be protected, managed, used and shared by foreign actors, as well as to be aware of which country’s laws apply.”

Champagne’s office did not immediately respond to a request for comment seeking details about what evidence led to the government’s dissolution demand, how long ByteDance has to comply and why the app is not being banned.

A TikTok spokesperson said in a statement that the shutdown of its Canadian offices will mean the loss of hundreds of well-paying local jobs.

“We will challenge this order in court,” the spokesperson said.

“The TikTok platform will remain available for creators to find an audience, explore new interests and for businesses to thrive.”

The federal Liberals ordered a national security review of TikTok in September 2023, but it was not public knowledge until The Canadian Press reported in March that it was investigating the company.

At the time, it said the review was based on the expansion of a business, which it said constituted the establishment of a new Canadian entity. It declined to provide any further details about what expansion it was reviewing.

A government database showed a notification of new business from TikTok in June 2023. It said Network Sense Ventures Ltd. in Toronto and Vancouver would engage in “marketing, advertising, and content/creator development activities in relation to the use of the TikTok app in Canada.”

Even before the review, ByteDance and TikTok were lightning rod for privacy and safety concerns because Chinese national security laws compel organizations in the country to assist with intelligence gathering.

Such concerns led the U.S. House of Representatives to pass a bill in March designed to ban TikTok unless its China-based owner sells its stake in the business.

Champagne’s office has maintained Canada’s review was not related to the U.S. bill, which has yet to pass.

Canada’s review was carried out through the Investment Canada Act, which allows the government to investigate any foreign investment with potential to might harm national security.

While cabinet can make investors sell parts of the business or shares, Champagne has said the act doesn’t allow him to disclose details of the review.

Wednesday’s dissolution order was made in accordance with the act.

The federal government banned TikTok from its mobile devices in February 2023 following the launch of an investigation into the company by federal and provincial privacy commissioners.

— With files from Anja Karadeglija in Ottawa

This report by The Canadian Press was first published Nov. 6, 2024.

The Canadian Press. All rights reserved.

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Here is how to prepare your online accounts for when you die

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LONDON (AP) — Most people have accumulated a pile of data — selfies, emails, videos and more — on their social media and digital accounts over their lifetimes. What happens to it when we die?

It’s wise to draft a will spelling out who inherits your physical assets after you’re gone, but don’t forget to take care of your digital estate too. Friends and family might treasure files and posts you’ve left behind, but they could get lost in digital purgatory after you pass away unless you take some simple steps.

Here’s how you can prepare your digital life for your survivors:

Apple

The iPhone maker lets you nominate a “ legacy contact ” who can access your Apple account’s data after you die. The company says it’s a secure way to give trusted people access to photos, files and messages. To set it up you’ll need an Apple device with a fairly recent operating system — iPhones and iPads need iOS or iPadOS 15.2 and MacBooks needs macOS Monterey 12.1.

For iPhones, go to settings, tap Sign-in & Security and then Legacy Contact. You can name one or more people, and they don’t need an Apple ID or device.

You’ll have to share an access key with your contact. It can be a digital version sent electronically, or you can print a copy or save it as a screenshot or PDF.

Take note that there are some types of files you won’t be able to pass on — including digital rights-protected music, movies and passwords stored in Apple’s password manager. Legacy contacts can only access a deceased user’s account for three years before Apple deletes the account.

Google

Google takes a different approach with its Inactive Account Manager, which allows you to share your data with someone if it notices that you’ve stopped using your account.

When setting it up, you need to decide how long Google should wait — from three to 18 months — before considering your account inactive. Once that time is up, Google can notify up to 10 people.

You can write a message informing them you’ve stopped using the account, and, optionally, include a link to download your data. You can choose what types of data they can access — including emails, photos, calendar entries and YouTube videos.

There’s also an option to automatically delete your account after three months of inactivity, so your contacts will have to download any data before that deadline.

Facebook and Instagram

Some social media platforms can preserve accounts for people who have died so that friends and family can honor their memories.

When users of Facebook or Instagram die, parent company Meta says it can memorialize the account if it gets a “valid request” from a friend or family member. Requests can be submitted through an online form.

The social media company strongly recommends Facebook users add a legacy contact to look after their memorial accounts. Legacy contacts can do things like respond to new friend requests and update pinned posts, but they can’t read private messages or remove or alter previous posts. You can only choose one person, who also has to have a Facebook account.

You can also ask Facebook or Instagram to delete a deceased user’s account if you’re a close family member or an executor. You’ll need to send in documents like a death certificate.

TikTok

The video-sharing platform says that if a user has died, people can submit a request to memorialize the account through the settings menu. Go to the Report a Problem section, then Account and profile, then Manage account, where you can report a deceased user.

Once an account has been memorialized, it will be labeled “Remembering.” No one will be able to log into the account, which prevents anyone from editing the profile or using the account to post new content or send messages.

X

It’s not possible to nominate a legacy contact on Elon Musk’s social media site. But family members or an authorized person can submit a request to deactivate a deceased user’s account.

Passwords

Besides the major online services, you’ll probably have dozens if not hundreds of other digital accounts that your survivors might need to access. You could just write all your login credentials down in a notebook and put it somewhere safe. But making a physical copy presents its own vulnerabilities. What if you lose track of it? What if someone finds it?

Instead, consider a password manager that has an emergency access feature. Password managers are digital vaults that you can use to store all your credentials. Some, like Keeper,Bitwarden and NordPass, allow users to nominate one or more trusted contacts who can access their keys in case of an emergency such as a death.

But there are a few catches: Those contacts also need to use the same password manager and you might have to pay for the service.

___

Is there a tech challenge you need help figuring out? Write to us at onetechtip@ap.org with your questions.

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Google’s partnership with AI startup Anthropic faces a UK competition investigation

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LONDON (AP) — Britain’s competition watchdog said Thursday it’s opening a formal investigation into Google’s partnership with artificial intelligence startup Anthropic.

The Competition and Markets Authority said it has “sufficient information” to launch an initial probe after it sought input earlier this year on whether the deal would stifle competition.

The CMA has until Dec. 19 to decide whether to approve the deal or escalate its investigation.

“Google is committed to building the most open and innovative AI ecosystem in the world,” the company said. “Anthropic is free to use multiple cloud providers and does, and we don’t demand exclusive tech rights.”

San Francisco-based Anthropic was founded in 2021 by siblings Dario and Daniela Amodei, who previously worked at ChatGPT maker OpenAI. The company has focused on increasing the safety and reliability of AI models. Google reportedly agreed last year to make a multibillion-dollar investment in Anthropic, which has a popular chatbot named Claude.

Anthropic said it’s cooperating with the regulator and will provide “the complete picture about Google’s investment and our commercial collaboration.”

“We are an independent company and none of our strategic partnerships or investor relationships diminish the independence of our corporate governance or our freedom to partner with others,” it said in a statement.

The U.K. regulator has been scrutinizing a raft of AI deals as investment money floods into the industry to capitalize on the artificial intelligence boom. Last month it cleared Anthropic’s $4 billion deal with Amazon and it has also signed off on Microsoft’s deals with two other AI startups, Inflection and Mistral.

The Canadian Press. All rights reserved.

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