definitions Flashcards
virus meaning
A computer virus is a type of computer program that, when executed, replicates itself by modifying other computer programs and inserting its own code. If this replication succeeds, the affected areas are then said to be “infected” with a computer virus.
ransomware
recently JBS meats was a victim of ransomware, and had to shut down
- paid 14 million dollars to stop attacks
- basically software which attacks other software, where large corps have to pay to money to stop the attacks
how does ransomware work
ransomware inserts a driver, encrypts files, so files on the hard disk are encrypted
- get ransom or decryption key is changed and files are useless
hacking and data leaks
confidential data can be stolen and leaked through this
reliance on software
software used to control most power stations, infrastructure and is very integrated in everyday life
driver
program that sits between program and hardware
- driver which allows other configs of hardware to interface with operating systems