Common Indicators of Insider Threats
- PCNet
- Feb 4, 2021
- 6 min read
Updated: Apr 1
A serious risk to businesses is often overlooked—common indicators of insider threats. Employees, contractors, or trusted partners can misuse their access, leading to data breaches or financial losses. These threats can be intentional or accidental, but both can cause harm. Many companies fail to recognize what is a potential insider threat indicator before it's too late. Early detection is crucial to prevent costly damage. PCnet helps businesses identify and stop insider threats before they escalate.
Understanding common indicators of insider threats can protect sensitive data and operations. Behavioral changes, unauthorized data access, and financial red flags are key warning signs. If ignored, these threats can lead to stolen information or operational disruptions. This article explains how to spot insider threats and what actions to take.
What Are Insider Threats?

A big danger to companies is something called an insider threat. This happens when someone inside a business causes harm. Common indicators of insider threats include strange behavior, stealing data, or breaking company rules. In other words, these are warning signs that someone might do something bad. So, companies must watch out for these problems before it’s too late.
Why Employees, Contractors, and Partners Can Be a Risk
Not everyone inside a company is safe. For instance, an employee might take secret files before quitting. What is one common threat we see when looking at insider threats? It’s people using their access to steal or leak information. In addition, contractors may peek at private data they shouldn’t see. After that, they could sell it or share it with others. Therefore, businesses need strong security to stop these risks.
How Insider Threats Affect Businesses
Insider threats can cause serious trouble. For instance, a worker could take customer details and sell them. In addition, someone might delete important files to hurt the company. Above all, these threats can cost a business money and trust. That is why knowing insider threat indicators is so important.
Common Indicators of Insider Threats
Insider threats can be a big problem for businesses. Common indicators of insider threats include strange behavior, unusual computer activity, and sudden money changes. In other words, these warning signs show that someone inside the company might cause harm. So, understanding these signs can help stop bad things before they happen.
Behavioral Warning Signs
Sometimes, people who want to hurt a company start acting differently. That is to say, they may change how they behave before doing something bad. Insider threat indicators are easier to notice when you know what to look for.
Some behavioral warning signs include:
Getting angry or frustrated with their job a lot
Keeping secrets about their work or computer use
Breaking security rules or asking too many questions about them
Staying late or working strange hours for no reason
Bringing personal USB drives or other devices to work
For instance, an unhappy employee might think they are not treated fairly. So, they could decide to take company data to use later. After that, they might try to sell it or give it to someone else. That is why companies use IT consulting services in Springfield, MO to catch these problems early.
Digital Warning Signs
People who plan to steal company secrets often leave clues online. Common indicators of insider threats include strange activity on work computers. In addition, watching how employees use their computers can help businesses find problems.
Some digital warning signs are:
Looking at files they shouldn’t see
Trying to open locked documents many times
Downloading a lot of data at once
Sending company files to personal email accounts
Turning off security settings on their computer
For instance, a worker might try to open private files. After that, they could send important data to their personal email. Therefore, companies use cybersecurity Springfield, MO tools to stop this from happening.
Financial Warning Signs
Money problems can make people do bad things. What is one common threat we see when looking at insider threats? Employees stealing money or important information because they are in trouble. Above all, companies need to watch for these signs.
Some financial warning signs are:
Buying expensive things suddenly with no clear reason
Asking for access to money records they don’t need
Changing invoices or other financial documents
Requesting strange money transfers
Not taking vacations so they can hide fraud
For instance, an employee with debt might try to take company money. In addition, they may change financial records to cover their tracks. Above all, businesses must stay alert and stop problems before they grow.
Recognizing these insider threat indicators helps keep companies safe. So, paying attention to these warning signs can prevent data theft and financial loss.
Industries Most at Risk for Insider Threats

Some types of businesses are more likely to face common indicators of insider threats. That is to say, certain industries are at higher risk because they handle sensitive information or large amounts of money. So, it’s very important for these businesses to watch out for any warning signs. In other words, insider threats in these industries can cause big problems. Therefore, companies in these fields must be extra careful to keep their data safe.
Healthcare: Protecting Patient Data
Hospitals and clinics store personal health information, like medical records. What is one common threat we see when looking at insider threats? Employees might look at or steal this private information without permission. For instance, in 2023, a worker took over 3,000 patient records and sold them. In addition, hospitals deal with billing details that could also be stolen. Above all, it is important to keep patient information safe. That is why many healthcare companies use managed IT services Springfield, MO to help protect their data.
Finance: Preventing Fraud and Data Theft
Banks handle lots of money and personal information. Insider threat indicators in the finance industry include workers who steal money or share private account details. After that, criminals can use this stolen information to commit fraud. For example, a bank employee might transfer funds into their own account. Therefore, banks need strict security to stop these types of actions.
Government: Protecting National Security
Government offices keep important, secret information. In other words, insiders who leak government secrets can harm national security. For instance, a government worker might share classified files, putting everyone at risk. So, government agencies must carefully track who accesses sensitive data. Above all, strong security measures help keep this information safe.
IT: Securing Digital Assets
IT companies store valuable computer programs and data. Insider threat indicators here might include an employee stealing code or selling company secrets. For instance, a tech worker shared secret information with a competitor. After that, this could hurt the company’s business. Therefore, IT companies must carefully monitor their data and ensure only authorized people can access it. In addition, good cybersecurity tools help keep information safe.
Key Takeaway
Understanding common indicators of insider threats is crucial for any business. Early signs include behavioral changes, unusual computer activity, or financial issues. Spotting these signs early can help prevent damage before it occurs. Companies must be proactive in monitoring their systems and employees.
Taking action quickly is key. That is why businesses should use cybersecurity solutions to detect and stop insider threats early. If you want to protect your business, don’t wait for a problem to arise. Get in touch with PCnet today to learn how our cybersecurity services can help safeguard your company from insider threats.
FAQs
What are insider threats?
Insider threats happen when someone inside a company, like an employee, steals information or causes harm. Common indicators of insider threats include strange behavior, unusual computer activity, or financial problems. Therefore, it's important to spot these signs early.
How can I recognize insider threats in my company?
Look for insider threat indicators like employees acting differently, accessing files they don’t need, or making strange financial requests. In addition, monitoring computer activity can help catch unusual behavior. So, always keep an eye out for these warning signs.
What industries are most at risk for insider threats?
Industries like healthcare, finance, government, and IT are at higher risk. These businesses handle sensitive information and money, making them prime targets. Therefore, businesses in these fields need to be extra careful.
Why is early detection of insider threats important?
Early detection helps prevent major damage, like data theft or financial loss. Spotting common indicators of insider threats early can protect your business. In other words, catching issues before they grow can save you from big problems.
How can cybersecurity help prevent insider threats?
Cybersecurity tools can monitor employee activity and detect any suspicious behavior. For instance, they can spot when someone accesses files they shouldn’t. After that, they help stop the threat before it causes harm.
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