How Does Credit Card Fraud Protection Work?

Thanks to Skillshare for sponsoring this video! First 250 people will get a 2 month trial for 99¢ here: http://skl.sh/2DpJGQP How does your credit card company determine if a transaction is fraudulent? Techquickie Merch Store: https://www.designbyhumans.com/shop/LinusTechTips/ Techquickie Movie Poster: https://shop.crowdmade.com/collections/linustechtips/products/tech-quickie-24×36-poster Follow: http://twitter.com/linustech Leave a reply with your requests for future episodes, or tweet them here: Read more about How Does Credit Card Fraud Protection Work?[…]

How do Chip Cards Work?

EMV chip cards are touted as being safer than old-school magnetic stripe cards – but are they really? And how do they work, anyway? Squarespace link: Visit http://squarespace.com/techquickie and use offer code TECHQUICKIE to save 10% off your first order. Follow: http://twitter.com/linustech Join the community: http://linustechtips.com License for image used: https://creativecommons.org/licenses/by/2.0/legalcode source

What are Mainframes?

Mainframe computers, also known as “big iron,” power things from credit card processing to airline ticketing. How do they work, and what makes them different from other large-scale devices like supercomputers? TunnelBear message: TunnelBear is the easy-to-use VPN app for mobile and desktop. Visit http://tunnelbear.com/linus to try it free and save 10% when you sign Read more about What are Mainframes?[…]