zip and . 7z are lossless compression formats. .7z is newer and is likely to give you a better compression ratio, but it's not as widely supported as . zip, and I think it's somewhat more computationally expensive to compress/decompress. Di più su questo

Out-of-service VPNs

Most man-in-the-middle attacks an evil twin might attempt can be defeated by sending all traffic – even public Internet traffic – over a VPN. If a hotspot lets you connect to the Internet but not to your VPN, you might be tempted to make do – but don't. Di più su questo