It is called hacking
Unauthorized access is the use of a computer or network without permission. Unauthorized use is the use of a computer or its data for unapproved or possibly illegal activities.
Security
Unauthorized
That's called a firewall.
stolen personal information. Damage to the computer system and/or network. Always protect your computer and network. theres more disadvantages...but use your head and think..
Below is additional information about helping to secure your computer and prevent any unauthorized access from other people or software programs; helping keep your information safe.
if you mean the term virus, but if you mean the person a hacker unauthorized acces to your pc.
anti spyware
computer virus
In legal terms, hacking is often referred to as "unauthorized access" or "computer intrusion." This encompasses any unauthorized use or access to computer systems, networks, or data, typically violating laws such as the Computer Fraud and Abuse Act (CFAA) in the United States. Depending on the jurisdiction, hacking can lead to civil and criminal penalties, reflecting its serious nature in the realm of cybersecurity and data protection.
The computer Misuse Act of 1990 made provision for securing computer material against unauthorized access or modification. Its impact to people is to refrain from any unauthorized use of computer data.
It makes the computer vulnerable to unauthorized access through the network.