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Today’s technology allows people to connect and hide their activities more easily than ever before. Checking up on a partner’s activities almost always involves surveillance of some sort, ranging from carefully observing their actions and behaviors to monitoring their activities online. Your partner may be accessing the internet from a computer, tablet or mobile device, which can make it more difficult for you to monitor what they’re doing. Find out if your partner is cheating by reviewing their browsing history and looking for suspicious activity on their social media. If they become more protective of their devices, it could be a sign of cheating. It's always best to talk with your significant other rather than spying on them, however. If you're looking for information on catching students who are cheating online, see WikiHow's article, How to Detect Plagiarism.

Best Ways to Catch a Cheating Partner Online

  1. Pay attention if your partner starts acting differently.
  2. Check their email, social media, and Internet history.
  3. Look through your partner’s phone for suggestive text messages.
  4. Track your partner’s location on your phone when they’re away.
  5. Create a fake social media account and flirt with your partner.
  6. Hire a private investigator if you’re emotionally insecure or tend to overreact.

For popular FAQs on catching a partner who is cheating online, jump to more common questions.

Method 1
Method 1 of 6:

Observing your Partner’s Behavior

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  1. A cheating spouse might be acting differently in a number of ways, including being physically distant or uninterested in sex; politely distant; hostile, critical or mean; or absent entirely. Pay close attention to their online activity, which might also indicate attempts at hiding something: they close internet browser windows as soon as you enter the room; they demand privacy when using the computer; they spend lots of time online after you go to bed; and they start new email accounts, among other activities.
  2. Someone who is acting distant or strange may not be cheating; they may be preoccupied with work or a family issue. They also might be engaging in other damaging activities, such as buying or selling drugs or gambling online. These are serious issues that can dramatically affect a relationship and they should be addressed by you with the help of a professional and your support network.
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  3. Keep track of their movements as much as possible, including internet activity, travel, late nights at work, ATM withdrawals, phone calls, emails, and so on. This will help you keep track of details, which will become important if your spouse is trying to cover up something.
  4. Have a plan for what you will do in the event that you discover your partner is cheating. Finding out this information can ruin relationships – not just the relationship between you and your partner, but between other family members, children, and friends. It can have financial impact on you as well. Figure out where you stand regarding infidelity and where you draw the line. What level of physical involvement counts as cheating for you?
    • Have a confidante. Choose a close friend or family member who will be a good sounding board for you. If possible, choose someone who will not be misconstrued as a romantic partner of yours; your own relationships may undergo close scrutiny in the process.
    • Secure a support network of family or friends who can help you through the situation. In a situation where one person is cheating, families and friends often find themselves torn. To whom should they remain loyal? Think about who will be the most supportive people in your life.
    • Consult a family or matrimonial lawyer. You will also likely need the advice of a family lawyer if you are married or if you share resources or finances with your partner.
    • Visit a counselor or therapist. If your suspicions are correct, you might find yourself being faced needing to make life-changing decisions. This is also very emotionally traumatic and a professional can help you through. Get referrals from trusted friends to find a counselor who suits you. It may take visits with a few different counselors before you find the right fit.
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Method 2
Method 2 of 6:

Monitoring Your Partner’s Online Activity

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  1. This will help you figure out what websites they frequently visit. Every web browser has a history function. If your partner is really concerned about being found out, they may erase the browser history, which makes it more difficult to ascertain what websites they’ve been visiting.
  2. If you have your partner’s email address and password, you can check their messages. Alternately, you can try to log into their email account if their password has saved into the browser. Be familiar with your state’s laws on electronic privacy, since states interpret this activity differently.
    • Enable cookies on their computer. If your partner’s email password is not saved in their browser, they might not have cookies enabled on their computer. Go into the web browser settings to enable cookies, which may store information and passwords. The computer will then be ready for your spouse’s next internet session, and passwords and other information will be stored.
  3. If you think your partner frequents certain chat rooms or other discussion forums online, you can also go into those forums using an alias. Talking and flirting with your partner or otherwise engaging in an online conversation may draw out hints about recent activities and lure them into infidelity.
    • Some people have created fake Facebook accounts to spy on their partners, although you should proceed with caution on this approach, as it can be extremely damaging to the relationship and any trust you have for each other.
  4. Keylogger programs are used to track all keystroke activity on a computer. They can be used to track your own computer usage and also to track others’ use of the computer. This will also likely tell you what login IDs and passwords are, which can help you access your partner’s email or other accounts. These types of programs range in quality; some are available for free download, such as Free Keylogger Pro, while others are pay services, such as All in One Keylogger, The Best Keylogger, or Total Spy, which range in price from $35 to $80 or more.
  5. There are numerous software programs, all varying in degrees of repute, cost and effectiveness, that can be purchased and installed on a computer or mobile phone. These programs, such as WebWatcher, Stealth Genie or Spector Pro, can track all usage activities as well as exact locations (in the case of a mobile phone). Many programs have social media monitoring, email recording, chat recording and other functionalities, and they can range in price, with many starting around $90 to $100.
    • Be sure to fully understand how your state treats electronic surveillance and privacy before embarking on this type of activity.[1]
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Method 3
Method 3 of 6:

Checking on Your Partner’s Mobile Phone Activities

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  1. If your partner has a phone number on their phone that you don’t recognize, you can do a reverse phone number search. You can also do an online reverse email search.
  2. If there are suggestive texts that aren’t between you and your partner, it may be that they’re cheating with someone else. Examine the history of texts to determine how long this has been going on. It’s possible, however, that your partner erases texts which will eliminate the texting history.
    • When there is an element of secrecy and emotional connection and secrecy with another person, it is cheating.[2]
    • For example, if your partner has a co-worker, and that person knows about the inner workings of your relationship, but you don't know that they know, it is almost an emotional affair.
    • So texting that entails emotional intimacy and secrecy can be considered an affair.[3]
  3. A lot of new technology and software tracks the physical location of a phone through GPS. You can track your partner’s travel route and precise current location if they have their phone with them. Compare their movements with what they tell you they’re doing. If there are discrepancies, you may have caught them in a lie.
  4. Some technology and software can turn on a microphone on the phone so that you can hear and record audio from the phone. The phone, in essence, works like a mini microphone and will record a conversation or other sounds that happen in close proximity to the phone.
  5. Different SIM cards will hold different information, including different lists of contacts, but will enable a person to continue using the same phone and thus will not rouse suspicion.
  6. If your partner has a smart phone, they will have an internet browsing history. This will help you figure out what websites they frequently visit. Every web browser has a history function. If your partner is really concerned about being found out, they may erase the browser history, which makes it more difficult to ascertain what websites they’ve been visiting.
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Method 4
Method 4 of 6:

Researching Unknown People Online

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  1. If your partner has an email from someone you don’t recognize, you can do a reverse email search. You can also do an online reverse phone search.
  2. If you suspect that your spouse is cheating on you with someone in particular, or you have come across the name of someone, you can often locate more information about that person by searching online. This is also useful to try to establish what interests the other person may have, what their job is, what their family situation is, and how much money they may have.
  3. When a simple internet search doesn’t turn up much information, you can pay to have a more extensive background check. These can be very affordable, ranging from $15 to $40 or more. Some of these services are more reputable than others, so do a bit of research about the service to see what feedback it’s received.
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Method 5
Method 5 of 6:

Hiring a Private Investigator

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  1. Certain personality types are better off leaving this type of work to a professional. You might think about letting someone else check on your partner if you have some of the following qualities: you are emotionally insecure; you are a naturally jealous person; you are paranoid; you have an overactive imagination; or you tend to overreact in certain situations.
  2. Make sure you hire a licensed private investigator who practices within the bounds of the law. If you need to go to court with evidence gathered by this investigator, the evidence needs to be admissible in court. This may be particularly important if evidence is gathered from online surveillance; laws around electronic privacy can be convoluted, and a private investigator may have more experience with and understanding of these laws. A professional will also provide impartial observations, which can help you make an educated decision about your next steps.
  3. Private investigators are not cheap and charge hourly fees of $75 to $200. Be clear about how much time you’d like them to spend on your case. Also consider how you want to pay for this service. Do you need to keep it a secret? Keeping such a large fee secret from your partner may be difficult if you have a joint bank account.
  4. Gather some of the information about your partner's activities online, such as monitoring internet history or checking email first. Give the investigator basic facts and background information, which will enable them to spend less time figuring this out and more time getting to the root of the problem.
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Method 6
Method 6 of 6:

Confronting your Partner

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  1. One of the most straightforward ways to determine if someone is cheating is to ask them directly. Not everyone will come clean, however, and they may continue telling lies. Spying on them online may contribute to hostile feelings between the two of you and may further weaken any trust that still exists.
  2. Try to choose a time when you can both be available and able to devote time to the conversation. You may want to ambush your partner in the act, but this might not be the most productive route.
    Esther Perel
    Esther Perel, Psychotherapist

    Infidelity reveals underlying issues. "The ‘symptom’ theory goes as follows: An affair simply alerts us to a preexisting condition, either a troubled relationship or a troubled person."

  3. Approaching the conversation in a serious yet calm manner may result in a more honest conversation than if you are aggressive, demanding where your partner has been or who they have been with.
  4. Get referrals from trusted friends or from the American Association of Marriage and Family Therapy. Not every marriage counselor will be the most appropriate or the best fit for you and your partner, and it may take visiting with more than one counselor to find the right one. Be patient with your partner through this process, particularly if they have admitted cheating on you. If you are committed to making the relationship work, you will need to both be open to forgiveness and compromise.
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Common Questions: Tips to Find Out If Your Partner Is Cheating

What are some signs that your partner is cheating?

Common signs of cheating include lying, avoidance, changes in attitude or communication, spending more time away from home, or having an increased interest in appearance. A cheater may also accuse you of infidelity, stop having sex with you, or prevent you from accessing their devices.[6]

How do you check someone’s phone for cheating?

Search for dating apps on your partner’s phone, scroll through their text and call history, and try recovering their deleted texts. If your partner has an iPhone, monitor their iCloud for racy pictures or videos, or track their location history by clicking Settings, Privacy and Security, Location Services, System Settings, and Significant Locations.[7]

What are some apps you can use to catch a cheater?

SpyBubble, Spyzie, and mSpy are highly rated spy apps that can help you track your partner’s texts, phone calls, social media, and location. Just download the app on your partner’s phone, enter your account information, and monitor their activity by logging into the app’s website on your computer.[8]

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Warnings

  • If you spy on your spouse or partner, you risk losing their trust, especially if you don’t discover anything amiss.
  • Be careful about downloading spying or other surveillance software onto your computer or onto your partner’s computer. Many of these programs carry viruses and can damage or ruin your computer’s hard drive.
  • Accessing and reading a partner’s emails is potentially illegal, depending on the nature of your activity and the laws in your state. Be sure to fully understand how your state treats electronic surveillance and wiretapping (listening in on conversations, recorded in person or over the phone) before embarking on this type of activity.[4] Courts differ in their interpretation about a spouse’s “reasonable expectation of privacy,” so some jurisdictions might be stricter about protecting against spousal spying than others.[5]
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About This Article

Tara Vossenkemper, PhD, LPC
Co-authored by:
Licensed Professional Counselor
This article was co-authored by Tara Vossenkemper, PhD, LPC. Dr. Tara Vossenkemper is a Licensed Professional Counselor and the Founder and Managing Director of The Counseling Hub, LLC, a group counseling practice located in Columbia, Missouri. She is also the Founder of and a Business Consultant with Tara Vossenkemper Consulting, LLC, a consulting service for therapy practice owners. With over twelve years of experience, she specializes in using the Gottman Method of relationship therapy with couples on the brink of divorce, who have conflict, or who feel disconnected from one another. Dr. Vossenkemper holds a BA in Psychology from The University of Missouri, Saint Louis, an MA in Counseling from Missouri Baptist University, and a PhD in Counselor Education and Supervision from The University of Missouri, Saint Louis. She has also completed Level 3 training in the Gottman Method Couples Therapy approach and has been formally trained in both the Prepare-Enrich Premarital Couples Counseling approach and the PREP Approach for couples counseling. This article has been viewed 745,182 times.
13 votes - 86%
Co-authors: 92
Updated: September 24, 2024
Views: 745,182
Article SummaryX

If you suspect your partner might be cheating online, observe their behavior for a while. If you notice that they’re acting more distant than usual, spending more time online, or being secretive about what they’re doing on the internet, it’s possible that something is up. Keep a log of any odd things you notice, since this might help you spot a pattern. While it’s usually best to talk directly to your partner rather than spying on them, you can always check their browser history or peek at their texts if you feel the need to gather evidence. You can also try logging into their email if you know their information, or even installing a keylogger app to track their activities. If you’re pretty sure your partner is cheating, sit down with them and have a talk. Bring up your concerns and tell them about any evidence you’ve found. To learn how to talk to approach your partner once you have confirmed they have cheated, keep reading.

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