PC Pro Magazine

“Keeping SMS authentication going is a bad idea. Removing it and not having 2FA is a really bad idea”

The ongoing rollercoaster that is Twitter’s communications has consistently gained headlines since Mr Musk took over. However, this month Twitter managed to outdo itself. In fairness, what it said was correct, but as we know many people don’t tend to read notifications correctly.

The background is the use of 2FA, or two factor authentication. This is super important stuff, because it adds a significant additional layer of authentication protection. Let’s take a good example of how this works, and how it relates to Twitter.

It’s usual to set up an account on a service using an email address and a password. Companies are getting somewhat better at enforcing strong and complex passwords, and this helps if a bad actor is trying to break into your account by guessing likely passwords. Dictionary attacks are as effective as passwords such as “12345678” are useless.

You also need to be careful about the setting mechanism. For example, if you create a new Gmail account, and use this as the login address for this new service, an email is probably sent to that email box confirming the creation of the account. In the past, badly designed services might have also sent a copy of the password to your Gmail account as a helpful reminder. Which is fine until someone breaks into your Gmail account, and then has access to the username and password that you set up on this new

You’re reading a preview, subscribe to read more.

More from PC Pro Magazine

PC Pro Magazine2 min read
Readers’ Poll
Thanks to everyone who took part in our poll across Facebook and X, and what an interesting set of results it is. Bad news for Chrome OS, but perhaps our group test of the latest Chromebooks will persuade you otherwise (see p78). Good news, however,
PC Pro Magazine3 min read
Logitech MX Brio 705 for Business
PRICE £183 (£219 inc VAT) from logitech.com Even if you’re not familiar with Logitech’s MX range of mice and keyboards, the price and all-metal finish gives this webcam’s executive aspirations away. But the name isn’t merely a marketing signal of int
PC Pro Magazine8 min readRobotics
The Robot Dog Leading Blind People
We’re used to seeing dogs help blind and partially sighted people navigate the world. But normally the dogs are real. Researchers at the University of Glasgow have developed a system to put robot dogs to work for visually impaired people, helping the

Related Books & Audiobooks