We are going to define Computer Security for Home Users as the basic protection you need these days to use your computer and smartphones in a safe manner so that your data and information is not at risk of being copied by hackers or being lost.
For that you are going to need an antivirus software or internet security tool for your pc or mac. These tools keep your computer free from virus of all kinds: malware, Trojans and the famous modern plague, the ransomware, that makes your files hostage to paying a fee to have access to your important files and pictures again.
To protect your smartphone, you are pretty much going to need the same thing: a protection tool on your phone to keep you safe from clicking on unknown links, browsing social media and even copying files.
Now, you keep your files safe and have safe browsing habits, but you still need to avoid losing your files in case of hard drive failure, accidental deletion, etc… for that you need to backup you information often.
Below a few reccomendations to have your personal information protected online.
- Change passwords from time to time – Make them strong, and change them often. Also, make sure not to use the same passwords used on external websites. It’s a hassle but it’s totally necessary to change your Facebook, Whatsapp, LinkedIn, and most importantly, your personal email passwords from time to time.
- Regularly install new Microsoft security patches – Critical patches for Microsoft operating system vulnerabilities often come out and these Windows Update needs to be run regularly to ensure the latest round of security patches have been applied to your computer.
- Use anti-virus software – If you own a Windows-based PC, this is an absolute necessity. Windows is targeted more than any other operating system and viruses are generally written for Windows applications. These are easy to install, and some even come with firewall packages of their own now. Look for antivirus software that also offer spyware and spam blocking features.
- Backup, backup and backup – Do it constantly and keep full backups as well as incremental backups. With external media becoming cheaper all the time, there is no excuse for not having a solid backup solution. And to be really safe, keep one in the cloud as well, which does not stay physically in your house and can be accessed from anywhere.
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Security for companies
Information Security at Companies is the collection of actions and processes to keep all of the information within the company secure from malicious cyber attacks that often attempt to breach into critical private information or gain control of the internal systems.
Security happens at networks and allied infrastructure, securing applications and databases, securing information systems, business continuity planning like disaster recovery and digital forensics. Information security at companies deal with natural disasters, computer and servers malfunction, and even physical theft, or any other instance where data has the potential of being lost. Since most information is stored on computers in our modern era, information assurance is typically dealt with by IT security specialists.
The most common information security practices at companies, small and medium and enterprises is endpoint protection, firewalls and backup infrastructure. Companies also use MSPs to manage services and use SIEMs for overal viewability.