Norton AntiVirus is an anti-virus or anti-malware software product, developed and distributed by Symantec Corporation since 1991 as part of its Norton family of computer security products. It uses signatures and heuristics to identify viruses. Other features included in it are e-mail spam filtering and phishing protection.

Antivirus, anti-malware, anti-spyware, anti-phishing, anti-ransomware, browser protection and more.

Today’s online threats include much more than viruses. There are many different kinds of online threats that can infect your devices and give cybercriminals access to your personal data. Some are more harmful and severe than others. You want protection against all of them. Protect yourself today!

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Antivirus and security software are designed to help defend computers, smartphones or tablets against viruses and malware. Norton security technology includes multiple layers of defense to help catch and block all kinds of online threats that try to infect your devices.

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Protection againstViruses and Malware

Today’s online threats go well beyond just viruses. AntiVirus and malware protection from Norton LifeLock helps defend against all kinds of online threats, such as:


Norton protection helps block harmful software that replicates itself and spreads itself to other devices.


Norton protection helps block malware that replicates itself without using a host file (unlike viruses, who use a file).


Norton protection has defenses for all types of malicious software, including viruses, Trojans, worms, etc.


Norton protection helps protect against malware that encrypts a computer’s contents and then demands a ransom to restore them.


Norton protection detects software that tracks and sends personally identifiable information or confidential information to third parties.


Norton protection helps block malware that’s designed to display unwanted advertisements.


Norton protection detects when malware is hidden behind online ads.

Trojan horse

Norton protection helps block Trojans that appear to be something they are not, often containing a backdoor component for future access


Norton protection has tools to detect phishing attempts, which are seemingly safe links that take users to malicious sites that gather personal data and login credentials, and can be found within websites, emails or even ads.


Similar to phishing attacks, Norton protection detects pharming attacks that redirect users from a legitimate site to a malicious one.

Browser hijacker

Norton protection helps protect your browser against malware that changes your browser's settings, or re-directs your web traffic.


Norton protection helps protect against rookits that can enable an unauthorized user to gain control of a computer system without being detected.

Spam emails

Norton protection filters out spam emails on Outlook email clients.

Banking Trojans

Norton protection helps block and remove trojans that are known to target banking sessions.


Norton protection helps block malware that uses someone else’s computing resources to run a coin mining script without the user’s consent (e.g. cryptojacking).


Norton protection helps block online threats that call their C&C (command and control center) in order to download additional malicious payloads.


Norton protection helps block specific techniques that are abused by malware

Fileless threats

Modern online threats leave no traces in file system by leveraging scripts and in-memory execution. Norton protection detects and helps remove them.

Formjacking attack

Norton protection helps block attempts to steal credit cards at online checkout.


Norton protection helps stop online threats that attempt to steal keystrokes.

Man-in-the-middle browser attacks

Norton protection detects malware that hijacks a web session.


(Potentially Unwanted Applications): Norton protection detects browser extensions or apps that are known to cause issues and uninstalls them.

Script-based attacks

(JavaScript, VBA, VBS, Powershell): Modern online threats use scripting languages instead of using files that are executables. Norton protection detects and helps block such attacks.

Tech Support Scam

Norton helps block websites that mimic official support of organizations.


Antivirus & Security Technology

How do antivirus apps work?

Antivirus scans and helps remove malware files that enter a computer, tablet or smartphone. Norton AntiVirus technology uses machine learning to determine if a file is good or bad, and can do so even if it’s the first time seeing that file.

What is malware?

Malware is short for “malicious software.” There are many types of malware: Viruses, worms, Trojans, ransomware, and more. Malware infects computers and mobile devices, you can avoid malware, and get rid of malware from Tremhost security.

How does malware get in?

Malware can get in through a number of ways, and most of them happen when you’re connected to the Internet. Norton protection uses a combination of technologies to identify websites which may host malware before you visit the site, identify malware as you download it, and even if you ignore warnings, Norton is still watching the software you download to look for malicious behaviors and actions on your computers, tablets and phones.