A Russian group has hacked 1.2 billion usernames and passwords belonging to more than 500 million email addresses... Nowadays hackers actually get more value out of personal information as opposed to credit card details. In fact, one article even points out that Twitter account information is of more worth to a hacker than their credit card.
Tor (short for The Onion Router) is software designed to allow someone to remain anonymous when accessing the Internet. It has been around for some time, but for many years was used mainly by experts and enthusiasts. However, Edward Snowden's revelations have resulted in a surge of interest in Tor as more people seek online anonymity.
'You've got a virus,' my little sister said finally, sneering at me in a way that made it perfectly clear that she considered the whole matter beneath her. 'What internet security provider are you using?' I laughed, because internet security software is like ironing, or packing the night before a flight- done only by the neurotic or the elderly.
No piece of software is perfect or can ever be perfect. These imperfections within the code can be exploited by hackers to gain access to your computer. Once an exploit is found, it is patched by the software company which then sends an update to its users. This is the update that you keep ignoring.
Malware is malicious software which has been developed by someone (or some organisation) to cause disruption or, more commonly now, to earn them money. Your money. It wasn't always this way. Originally, computer viruses were created by computer enthusiasts almost as a game to see how many PCs they could infect.