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(The Gist of Science Reporter) WhatsApp [JULY-2019]

Often users are not aware of the importance of updating the software for operating systems or Apps. Installing the updated software is important to secure your device against vulnerabilities.
Set strong and difficult passwords for every service or App and keep changing the password regularly.
If possible, enable two-factor authentication/verification to restrict hackers signing into the accounts which may reduce the risk of unsecured passwords or shared passwords being hacked from different sites you use.
Install/download secure and trustworthy apps or services which give malware security.
Refrain from downloading fake or pirated software and stop clicking on unknown links in emails or messages which may download malicious programmes on the device.
Keep deleting the browser history and clean the memory of your device regularly because the web browsers like Chrome, Firefox keep records of the sites visited for some time which may enable attackers to steal the details of online activities.
Avoid using free unsecured wireless access on public networks lot financial transactions as ibis is an open invitation to hackers.
Public WiFi VPN (Virtual Private Network — private server for remote areas) protection can be installed so that the data travelling between devices (computer and mobile) and the VPN server is securely encrypted.
Use the secure version of standard “Hypertext Transfer Protocol (HTTP)” i.e. HTTPS. Here,
‘S’ stands for ‘Secure’. HTTPS (Hypertext Transfer Protocol Secure) is used for secure communication
over networks. A lock icon in the address bar can also be clicked to know more about website security.
There are certain basic network settings which could be manually adjusted in the device like trusted and non-trusted networks, etc.