what preacaution must be taken to improve online security.
Answers
Answer:
1. Use Unique Passwords for Every Login
One of the easiest ways hackers steal information is by getting a batch of username and password combinations from one source and trying those same combinations elsewhere. For example, let's say Store A has been hacked, and the hackers got your username and password. The hackers might try to log into banking sites or major email services using the same username and password combination. The single best way to prevent one data breach from having a domino effect is to use a unique password for every single online account you have.
So use a password manager. Having a unique and strong password for every account is not a job any human can do well. But it's exactly what password managers are designed to do. Several very good password managers are free, and it takes little time to start using one.
When you use a password manager, the only password you need to remember is the one that locks the password manager itself. Password managers typically log you into your online accounts automatically (after you unlock the password manager, of course), which means they not only help keep you safer, but also increase your efficiency and productivity as you use your computer because you no longer have to type your logins.
2. Get a VPN and Use It
Any time you connect to the Internet using a Wi-Fi network that you don't know, you should use a virtual private network (VPN).
"VPNs provide a secure connection over the Internet between a user and the data or websites to which they connect, and encrypt the data exchanged across that connection," wrote Aaron Stern, for the Kaspersky blog. It's one of the most succinct explanations of VPNs I've ever read.
Say you go to a coffee shop and connect to a free Wi-Fi network. You don't know anything about the security of that connection. It's possible that someone else on that network, without you knowing, could start looking through or stealing the files and data sent from your laptop or mobile device.
PCMag has suggestions for 10 VPN services you should know about. There are a few decent free VPN services, but most of the best ones come with a monthly fee.
3. Turn on Two-Factor Authentication
Two-factor authentication is kind of a pain in the neck, but it will absolutely make your accounts more secure. Two-factor authentication means you have another layer of security you need to pass beyond simply having a username and password to get into your accounts. If the data or personal information in an account is sensitive or valuable, and the account offers two-factor authentication, you should enable it. Gmail, Evernote, and Dropbox are a few examples of online services that offer two-factor authentication.