Applications of cryptography

No one wants to fall victim to ransomware, but a new report from blockchain security firm Chainalysis claims that ransomware payments could be set for a record-breaking year, with criminals raking in close to half a billion dollars just seven months into 2023. According to the analysis, ransomware payments this year have totaled $449.1 million so far. That’s $175.8 million more than this time last year, suggesting that hackers have doubled down on this method of extracting money from unfortunate victims. Sora…

ChatGPT is very simple to get started on. It’s free to sign up for, and you can either use your own email address or log in with your Google or Microsoft account. But you may have noticed that ChatGPT also asks for your phone number. Given all the concern over whether ChatGPT is safe to use, that may have thrown you for a loop, which begs the question — why does ChatGPT need your number after all? Hatice Baran / Unsplash Why ChatGPT requires a phone number Like many things you sign up for online, ChatGPT…

A viral TikTok has made the internet rounds, showing a person who thought that they could transfer Apple gift card funds to Apple Pay. After buying a $300 Apple gift card, however, they quickly learned that that’s simply not possible. While their choice might seem misguided in hindsight, there are plenty of people who have been left confused about the differences between Apple gift cards and Apple Pay. While having a $300 Apple gift card certainly has its uses — such as buying 10 years of Apple Music, as the original…

Apple announced Apple Pay Later last year when it revealed iOS 16 at WWDC 2022. The feature is finally rolling out to “randomly selected users” as of today, through a prerelease version of Apple Pay Later in the Wallet app. Those who have access to this prerelease version should have received an email to their Apple ID account, and they will need iOS 16.4 and iPadOS 16.4. This is a prerelease version of Apple Pay Later, and the full service will be rolling out to eligible iPhone users older than 18 in the U.S. in the…

Despite their reputation for security, Macs can still get viruses, and that’s just been proven by a malicious new Mac malware that can steal your credit card info and send it back to the attacker, ready to be exploited. It’s a reminder to be careful when opening apps from unknown sources. The malware, dubbed MacStealer, was discovered by Uptycs, a threat research firm. It hoovers up a wide array of your personal data, including the iCloud Keychain password database, credit card data, cryptocurrency wallet…

Multiple YouTube channels under the Linus Media Group (LMG) brand have been taken offline after being hijacked by crypto scammers. The main Linus Tech Tip YouTube channel, which has amassed over 15 million subscribers, is offline, as are the TechQuickie and TechLinked channels. It appears all three were impacted by the same hackers. The channels stayed live briefly early Thursday morning, promoting bogus livestreams that included pre-recorded footage of tech personalities like Elon Musk and Jack Dorsey talking about…