Data Breach

It becomes a concern due to many people putting their credential details on the internet. These sensitive information include banking details, social security numbers, or health records. When irresponsible people steal it, they can use it for identity theft, financial fraud, blackmail, and more. As a result, these activities can ruin people’s lives.

There are approximately 612,000 UK businesses and 61,000 UK charities that experienced data breach in 2024. This kind of attack is not only about the computer but also affecting real life, economies, and national stability. The technology won’t stop from growing and you need to be aware of this attack.

What is meant by a data breach?

This activity happens when someone stole or accessed information of an organisation without authorisation. The reasons why it can happen are through hacking, poor security practices, human error, or system vulnerabilities. When it happens, there are going to be leaks of personal details, financial records, passwords, or business secrets. 

Moreover, a data breach is not caused by a hacker who can crack high-security systems. Sometimes, a simple thing can snowball into this problem, like missing a software update or an employee clicking the wrong link. This is why the prevention measure needs to involve people, technology, and policy, working together, to prevent any kind of threat. Here are the common causes of it:

Hacking and cyberattacks

This data breach happens when there are deliberate attacks from the cybercriminals. They are trying to break into systems to find personal, financial, or political gain. What makes it dangerous is hackers often use advanced tools for this task. They can silently get into the system and steal large volumes of data before anyone notices.

Phishing and social engineering

This method involves tricking people into giving up information. The perpetrator is going to act to be a trustworthy person. This data breach comes from manipulating a person. People are the weakest link in security. Even a well-trained worker can get fooled from a cleverly crafted email or phone call.

Insider threats

Other than external hazards, it also comes from the inside. In particular, it often happens when someone from inside of an organisation has access to sensitive documents. There are two ways this data breach can occur. The first one is malicious insiders, where someone is stealing data for revenge, money, or sabotage. The counterpart is negligent insiders, when someone mishandled data without realising the impact.

Weak or stolen credentials

When you are trying to sign up for a website, you can see that it asks you to use a stronger password, using letters, numbers, and symbols. This is a way to prevent a data breach from happening. The reason is that passwords often become the first line of defence. Especially if you use the same credentials across multiple systems.

Outdated or unpatched software

Since technology is always improving, it means you have to keep up with the advancement. The newer systems usually are stronger than before. If you don’t update it, hackers can spot the vulnerabilities and become a doorway for data breach. Figuratively, unpatched software is like an unlocked door. 

Prevention methods

When it comes to preventing data breaches, you are going to use a mix of technical defences, employee training, and organisational training. You need to create a layered defence strategy. The goal is to lower the risk, detect threats early, and respond effectively when something happens. Here are what you can do to prevent this event from happening:

• Use strong and unique passwords: As your first line of defence from data breach, you need to set up a strong, not easy to crack password. Also, you need to avoid using the same one all over again.
• Enable Multi-factor Authentication (MFA): The second layer of defence after password. You have to confirm the identity using a code from their phone, email, or anywhere else.
• Update software and systems: Outdated software can provide a little window for hackers to conduct a data breach. Therefore, you need to apply security patches as soon as they’re available and update operating systems, antivirus tools, and web applications.
• Encrypt sensitive data: You can protect information through converting them into unreadable code. The way you can read it by using the key to decrypt it. 
• Restrict access to data: Not everyone in an organisation should have the access to confidential information. You need to give responsibility based on the role and duty.
• Use firewalls and antivirus software: Using firewalls and antivirus software can prevent a data breach from happening. The firewalls act as gatekeepers between trusted and untrusted networks, while antivirus software detects and removes harmful programs.