Editing Internet security (section)

{{Short description|Branch of computer security}}
{{more citations needed |date=April 2009}}
'''Internet security''' is a branch of [[computer security]]. It encompasses the [[Internet]], [[browser security]], web site security,<ref>{{Cite web|title=What Is Internet Security? {{!}} McAfee|url=https://www.mcafee.com/enterprise/en-us/security-awareness/cybersecurity/what-is-internet-security.html|access-date=2021-09-05|website=www.mcafee.com}}</ref> and [[network security]] as it applies to other [[Application software|applications]] or [[operating systems]] as a whole. Its objective is to establish rules and measures to use against attacks over the Internet.<ref>{{cite book|last=Gralla|first=Preston|title=How the Internet Works|year=2007|publisher=Que Pub|location=Indianapolis|isbn=978-0-7897-2132-7|url-access=registration|url=https://archive.org/details/howinternetworks00gral}}</ref> The Internet is an inherently [[insecure channel]] for information exchange, with high risk of [[Hacker (computer security)|intrusion]] or fraud, such as [[phishing]],<ref>{{cite book|last=Rhee|first= M. Y.|title= Internet Security: Cryptographic Principles, Algorithms and Protocols|year=2003|publisher=[[John Wiley & Sons|Wiley]]|location= Chichester|isbn= 0-470-85285-2}}</ref> online [[Computer virus|viruses]], [[Trojan horse (computing)|trojans]], [[ransomware]] and [[Computer worm|worms]].

Many methods are used to combat these threats, including [[encryption]] and ground-up engineering.<ref>{{Cite web|date=2019-12-16|title=101 Data Protection Tips: How to Keep Your Passwords, Financial & Personal Information Safe in 2020|url=https://digitalguardian.com/blog/101-data-protection-tips-how-keep-your-passwords-financial-personal-information-safe|access-date=2020-10-23|website=Digital Guardian}}</ref>{{toclimit|3}}