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What is PII and Why is it Essential for Cyber Security?

Last updated on February 7, 2023

What is PII and Why is it Essential for Cyber Security?

Personal information is the lifeblood of modern society, and protecting it is essential for cyber security. In this article, we will explore what PII (Personally identifiable information) is, why it’s so important to protect it from malicious actors, and how to do so. We’ll also discuss why PII is essential for cyber security and how organizations can use it to their advantage. By understanding the importance of PII in today’s digital world, we can all take steps to ensure our data remains secure.

What is PII?

Personally Identifiable Information (PII) is Any information that can be used to uniquely identify an individual. This includes names, addresses, phone numbers, credit card numbers, Social Security numbers and online identifiers such as usernames, IP addresses and email addresses. PII may also include gender, race, birth date and geographic indicators.

PII is sensitive data that can be used to identify an individual. Examples of this kind of data include full name; home address; email address; phone number; passport number; driver’s license number or other government-issued identification number.

It is important to note that PII can also include combinations of these elements such as gender, race and birth date along with other descriptors. Additionally, information permitting physical or online contact with a person such as their photograph or social media profile may also constitute PII.

Why is PII Essential for Cyber Security?

The security of personally identifiable information (PII) is paramount for cyber security. If PII falls into the wrong hands, it can be used for malicious purposes such as gaining access to an individual’s accounts, stealing their identity, or committing fraud. As such, it is important to protect PII from being exposed and ensure that only authorized individuals have access to it. identity theft is a major threat to data breach victims as data leaks can reveal everything from social security numbers to banking information.

Organizations must take steps to protect PII by implementing best practices such as encrypting data and using strong passwords. Additionally, organizations should adhere to laws and regulations related to the protection of PII in order to avoid legal repercussions.

In conclusion, protecting PII is essential for cyber security due its potential misuse if it falls into the wrong hands. Organizations must take steps towards ensuring that only authorized individuals have access and that all necessary measures are taken in order keep this sensitive information secure.

How to Protect PII

To protect PII from falling into the wrong hands, Use strong passwords and two-factor authentication, avoid public Wi-Fi networks, use a VPN when accessing the internet, keep software and operating systems up to date, close old accounts, only visit HTTPS sites, utilize privacy tools to protect your wifi router. By taking these steps individuals can ensure their PII does not fall into the wrong hands.

Commit to sharing less online and tighten privacy settings for your online accounts. Encrypt your data and backup regularly. Make sure old computers’ hard drives are unreadable and secure wireless networks at home or work.

The best way to prevent one data breach from having a domino effect is by using a strong unique password for every single online account you have. Multifactor authentication schemes that require two or more identity credentials can also help decrease the risk of data breaches.


It is essential to protect PII from falling into the wrong hands, as it can be used for malicious purposes. Strong passwords, two-factor authentication, avoiding public Wi-Fi networks, using a VPN and keeping software and operating systems up to date are all important steps to take. Data is often categorized according to the amount and type of damage that could be done if it fell into the wrong hands; sensitive PII must be transmitted and stored in secure form such as encryption in order to protect an individual’s identity and privacy.

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