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Ultimate Windows Protection, Uncompromising Speed
Bitdefender Internet Security 2018 provides the ultimate protection against Internet threats on Windows PC – without slowing your PC down. Not only does it protect your PC from all forms of viruses, worm, ransomware and other online threats, but also it provides better privacy protection. Do great things online safely.

Protection

Performance
Privacy
Best Protection. Best Performance.
Best Protection Against Infections (on a scale of 0 to 6 and 6 being the highest protection)
Overall Score. January 2011 – June 2017. AV TEST.
Lowest Impact on Performance (on a scale of 0 to 6 and 6 being the lowest impact)
Overall Score. January 2013 – June 2017. AV TEST.
Absolute power in the most efficient antivirus available today. Bitdefender Internet Security 2018 works against all threats – from viruses, worms and Trojans, to ransomware, zero-day exploits, rootkits and spyware. Your data and your privacy are in good hands.
Bitdefender Internet Security 2018 uses a technique called behavioral detection to closely monitor active apps. The moment it detects anything suspicious, it takes instant action to prevent infections.
Bitdefender Internet Security 2018 delivers multiple layers of protection against ransomware. It uses behavioral threat detection to prevent infections, and protects your most important documents from ransomware encryption. With Bitdefender Internet Security 2018, you can stop worrying about losing your data or money, and enjoy life and your devices.
Bitdefender Internet Security 2018 sniffs and blocks websites that masquerade as trustworthy in order to steal financial data such as passwords or credit card numbers.
The advanced filtering system warns you whenever you visit websites that may try to scam you, such as casinos, porn sites, money loan schemes and others.
With Bitdefender Safe Files you can prevent unauthorized changes to your most important files. You simply add folders to the watch list, and Bitdefender guards the files stored in them against ransomware and other types of malware. Only applications that you explicitly trust are allowed access to your Safe Files.
Find out whether your search results are safe to access before you actually click on a link. Bitdefender Internet Security 2018 also blocks known infected links.
Some sophisticated viruses, like rootkits, need to be removed before Windows starts. When Bitdefender Internet Security 2018 detects such threats, it reboots the computer in Rescue Mode for clean-up and restoration.
Once switched on, Autopilot will run your entire cyber-security by itself. It makes optimal security decisions without asking for your input through nagging pop-ups and dialog boxes. Nothing to set up, nothing to configure.
This innovative, exclusive technology helps Bitdefender Internet Security 2018 adapt to the hardware and software configuration of your system in order to save computing resources and improve speed and performance.
Most of the heavy scanning takes place in the cloud, so there is virtually zero impact on your local resources. This means your system’s speed and performance remain unaffected. And your files always remain completely private: Bitdefender Internet Security 2018 does not scan the actual contents of your files, and it never uploads or stores them in the cloud.
Bitdefender Internet Security 2018 detects when you play, work or watch a movie, so it knows not to bother you with unnecessary requests. This way, you can focus on what’s important. Depending on what you choose to do on your computer, Bitdefender temporarily halts pop-ups, adjusts visual settings, and pauses unimportant background activities to allow you to enjoy your device to the max.
This useful, intelligent feature saves battery life for laptops and tablets by temporarily tweaking system settings such as display, system cooling, system updates or Bluetooth connectivity.
Bitdefender Internet Security 2018 puts your privacy first. It prevents unauthorized access to your webcam and allows you to enjoy life safe from prying eyes.
Bank and shop from a unique, dedicated browser that secures your transactions to prevent fraud. Bitdefender Safepay can now also automatically fill out credit card details in billing fields.
With Parental Advisor, you can discreetly supervise your children’s online activities to keep them safe. Filter out inappropriate content and control online time for each child’s account. Simply log in to your web Bitdefender Central account from anywhere, and keep up with your kids’ location or activities.
With Bitdefender Internet Security 2018 you get a powerful layer of network protection, so your personal information stays safe from hackers and data snoops.
Stay safe from malicious links and any threats that your friends may unwittingly pass on to you via Facebook, Twitter, Pinterest or other social networks.
Store your passwords, credit card information and other sensitive data in a secure vault for easy access whenever you need them. Password Manager gives you the option to autofill online forms and can even recommend secure passwords.
Use this tool when you wish to delete a file for good and leave no traces that it ever existed on your PC.
Scan for security holes and vulnerabilities with just one click. Bitdefender Internet Security 2017 checks your PC for outdated and vulnerable software, missing Windows security patches and potentially unsafe system settings, and will indicate the best fix.
Choose the Best Security, and Never Worry Again
Continuous Updates
Bitdefender Internet Security 2018 is designed to protect you against the most advanced cyber threats on the planet. Continuous updates come with every Bitdefender product, and accelerate the introduction of new features and simplify updating, upgrading and installing Bitdefender security.
Continuous Protection
Bitdefender’s continuous protection service* is designed to save you time and effort, and reduce risk of infections by automatically renewing your subscription. It's a hassle-free way to eliminate any possible lapses of security between subscription periods, therefore ensuring your devices, files and identity are always protected.
*Continuous Protection is an opt-out service that you can turn off any time you want.