Clear explainers for the online harms that worry parents most. What each one actually is, how it works, and the practical moves that help. Written by someone who tracks how attackers and harmful communities really operate.
You do not need to become a cybersecurity expert to keep your child safer. You need a working picture of five risks, so that when something looks off you recognise the shape of it and know your next step.
This guide keeps the same layout for each risk: how it works in plain terms, then two columns, warning signs and what to do. The goal is not to frighten you. Fear makes families freeze and go quiet, and quiet is exactly what offenders and bullies rely on. The goal is to give you enough to act calmly.
Ages on each card show who tends to be targeted most, not who is immune. Every one of these harms has reached younger children too.
This callout is the universal rule. It sits behind each card that follows.
1Sextortion
Blackmail using sexual images. The fastest-growing version targets teenage boys and is about money, not sex.
Source: NCMEC, 2025 sextortion data.
How it works
An account that looks like an attractive peer, often posing as a girl, messages your child on Instagram, Snapchat, or in a game. It moves fast and friendly, then turns flirty and sends a nude « to go first. » Your child sends one back. Within minutes the tone flips: pay now, or these images go to your followers, your school, your family. The account already scraped your child’s friends list to make the threat feel real.
This is a scripted crime run at scale, often by organised groups. Financial sextortion is aimed heavily at boys aged roughly 14 to 17, and the FBI has seen victims as young as 9. Paying rarely stops it. It usually invites more demands. The most important fact for parents: this can go from first message to crisis in a single evening, which is why the no-blame promise has to already be in place.
Warning signs
- Sudden panic, tears, or shutdown after being on their phone, especially late at night
- A new « girlfriend » or online contact they met days ago and message constantly
- Frantically deleting apps or messages, or asking how to delete an account
- Requests for money, gift cards, or to borrow your card, out of nowhere
- Talk of a mistake they « can never fix, » or withdrawal and hopelessness
What to do
- Stop paying and stop responding. Do not send money, and do not send more images
- Do not delete anything. Screenshot the profile, the messages, and any usernames as evidence
- Block the account, but keep the chat log first
- Report it: to the platform, to NCMEC’s CyberTipline, and in the US to the FBI at ic3.gov
- Use Take It Down (NCMEC) to help remove images of a minor from participating platforms
- Lead with relief, not questions. « I am glad you told me. We will sort this out together »
2Grooming
An adult building trust with a child in order to exploit them. It is slow, deliberate, and it often looks like friendship.
How it works
Grooming is a process, not a single event. It tends to move through recognisable stages. First, contact and rapport: the person learns your child’s interests and mirrors them, often posing as a peer. Then trust and a special bond: compliments, gifts, in-game currency, « you are so mature, » « I understand you better than they do. » Then isolation and secrecy: « this is just between us, » turning your child slightly against the adults around them. Then the move to a private space, and finally requests that escalate.
The single clearest red flag is that push to a more private or disappearing-message app. UK police recorded 7,263 Sexual Communication with a Child offences in a recent year, nearly double the figure when the offence began in 2017/18. Where the platform was known, about 40% of that contact started on Snapchat, with WhatsApp and Meta apps behind it. Offenders often run several fake profiles and try to move a child across platforms so no single service sees the whole picture. Around 80% of targeted children were girls, though boys are groomed too.
Warning signs
- An online « friend » your child is secretive or defensive about
- Being asked to move to Snapchat, Telegram, Discord DMs, or disappearing messages
- New gifts, game skins, top-ups, or money they cannot explain
- Knowing sexual language or details beyond their age
- Switching screens or hiding the phone when you come near
- Pulling away from real-life friends and family, or new secrecy about time online
What to do
- Treat « let’s move to another app » as the line. Teach your child it is always a reason to stop and tell you
- Keep young children’s games and chat to friends-only, and turn off messages from strangers
- Do not confront the child as if they did wrong. They may feel loyalty to the groomer
- Preserve evidence: usernames, screenshots, the platform. Do not delete the account yet
- Report to the platform and to police, and in the UK use CEOP / Report Remove
- Keep talking. Ask about online friends the way you ask about school friends, regularly and without drama
3Scams and phishing
Fraud aimed at kids through their games, and at the whole family through texts and fake alerts.
How it works
Kids are targeted where their attention and their in-game money are. The classic is the free currency scam: « free Robux, » « free V-Bucks, » a generator site or a « kind stranger » offering a huge gift. To claim it, your child enters their login, or is told to complete « tasks, » or to send an item first « to verify. » The prize never comes. What the scammer actually wanted was the account, the linked payment card, or a real item traded away for nothing. Fake giveaways from lookalike creator accounts work the same way.
The family-wide version is smishing, scam texts. The FTC reports Americans lost about $470 million to text scams in 2024, roughly five times the 2020 figure. The most reported by far is the fake delivery text: « your package could not be delivered, pay a small fee here. » Others impersonate your bank (« suspicious login, confirm now »), unpaid road tolls, or job offers. They all rush you to tap a link and hand over card details or a login. Once one family account is taken over, it is used to scam the contacts inside it, including your child.
Warning signs
- Your child talks about a « free Robux » site, a generator, or a stranger promising a big gift
- Missing in-game items or currency, or a game account they can suddenly no longer log into
- Password-reset or « new login » emails you did not request
- Texts about a package, toll, or bank alert with an odd link and urgent wording
- Small unexplained charges, or a card being asked for to « verify » a prize
What to do
- Teach one rule: real prizes never ask for your password, your card, or an item up front
- Turn on two-factor authentication on game and email accounts, and use a unique password per account
- Never buy currency from third-party sites, only the official in-game store
- Do not tap links in texts. Open the courier, bank, or toll app yourself to check
- Report scam texts (in the US forward to 7726 / SPAM) and delete them
- If an account is taken over, reset the password from a device you trust and contact the platform
4Cyberbullying
Bullying that follows a child home through the screen. Often it is not a single cruel post but a slow drip, and sometimes it is silence.
Source: Cyberbullying Research Center, 2023 national survey.
How it works
Cyberbullying is not only mean comments. In that 2023 survey the most common forms were hurtful comments, being deliberately excluded from group chats, rumours, and having embarrassing content posted. Notice that exclusion ranks near the top. Being kept out of the group chat, removed from a thread, or frozen out of a game party leaves no screenshot, which is exactly why it is missed. Group chats also let bullying happen to an audience, and pile-ons feel far larger than the handful of people actually typing.
Because it lives on the phone, there is no bell at the end of the day. It can be anonymous, it spreads fast, and a child can be both bullied and, in another chat, doing the bullying. Watch for a pattern over time rather than one bad message, and know that a change in mood is often the first thing you will see before you ever see the content.
Warning signs
- Visibly upset, anxious, or angry during or right after using the phone
- Suddenly avoiding the phone, or the opposite, checking it compulsively
- Pulling out of activities, friend groups, or a game they used to love
- Not wanting to go to school, or unexplained stomach aches and sleep problems
- Hints of being « left out, » or going quiet about who they talk to online
What to do
- Listen first and stay calm. Do not threaten to take the phone away, that often buys silence
- Screenshot and save the evidence, then use block and report on the platform
- Do not tell them to « just log off. » Their social world is in there
- Tell the school. Bullying between classmates is the school’s business even when it happens online, and many are required to act
- If there are threats of violence or sexual content, involve the police
- Check whether your own child may be in a pile-on, and talk about being the person who steps in
5Harmful communities
Online spaces that pull children toward self-harm, disordered eating, hate, or organised cruelty, often through the recommendation feed rather than a stranger’s message.
How it works
This risk comes in a few shapes. Self-harm and pro-eating-disorder content can be actively served by the algorithm. A 2024 study by the Center for Countering Digital Hate found that once a test account for a 13-year-old girl watched one eating-disorder video, about one in three of the next recommendations were eating-disorder videos and two in three were eating-disorder or weight-loss content. The feed learns a vulnerability and feeds it back.
Extremism and radicalization and misogynist « manosphere » and incel spaces work by offering belonging and simple answers to boys who feel lost or resentful, then hardening those views. This is not fringe. Videos of one prominent misogynist influencer have been viewed billions of times, and some UK schools have built lessons specifically to counter that influence. The most severe end is gamified-harm networks such as 764 and the wider « Com. » These are loosely connected groups, largely of teens and young adults, that treat cruelty as a game: they groom and blackmail children into self-harm, animal abuse, and worse, and members gain status by escalating. Between 2020 and 2025, 191 people across 28 countries were arrested in connection with 764, and it has been tied to real-world violence.
The honest framing matters. For most children, exposure to this content shifts what feels normal and acceptable, which is harm enough. It does not automatically transform a child, and treating every interest as a crisis backfires. Watch for a pattern of deepening immersion, not a single video. The most extreme networks, like 764, are rare and are being actively pursued, with at least 50 arrests since 2021 and warnings from security agencies across the US, UK, Canada, Australia, and New Zealand. They work by seeking out young people who are already isolated or struggling, not children at random, which is why a connected child who feels able to talk to you is the strongest protection there is.
Warning signs
- New fixation on weight, calories, « body checking, » or hidden eating changes
- Fresh cuts or marks, or content and language that glorifies self-harm
- Suddenly parroting hateful, contemptuous, or dehumanising talk about women or a group
- New secretive online friends who use in-group slang and demand loyalty or « proof »
- Requests to self-harm, film themselves, or « sign » their skin for someone online
- Anonymous gifts, including gaming currency, or a family pet harmed, or a false emergency call sent to your home (« swatting »)
- Withdrawing into a private community and mirroring its worldview
What to do
- Stay curious, not combative. Ask what they are watching and who they follow, without instant judgement
- Use « not interested, » « don’t recommend, » and reset feed history to break a harmful loop
- Set up age-appropriate accounts and content controls on YouTube, TikTok, Discord, and Roblox
- Any request to self-harm or « prove » loyalty to a group is an emergency. Preserve evidence and report to the platform and police (US: FBI ic3.gov)
- For self-harm or eating concerns, loop in your GP or a mental-health professional early
- Offer a real-world alternative for the belonging these spaces sell: clubs, mentors, purpose
One-line reminders
The single most useful move for each risk, if you remember nothing else.
| Risk | Fastest protective move |
|---|---|
| Sextortion | Do not pay, do not delete, screenshot, report to NCMEC/FBI, and reassure first. |
| Grooming | Treat « let’s move to another app » as the stop-and-tell-me line. |
| Scams and phishing | Real prizes never ask for a password, card, or item up front. Turn on two-factor. |
| Cyberbullying | Never punish the child for telling you. Save evidence, block, and tell the school. |
| Harmful communities | Reset the feed, stay curious not combative, and get professional help for self-harm. |
Sources
Real, current references used for the figures and descriptions above. Details and settings change, so check the originals.
- NCMEC, « NCMEC Releases New Sextortion Data » (2025 data). missingkids.org
- FBI / IC3 Public Service Announcement, violent online networks targeting minors (2025). ic3.gov/PSA/2025/PSA250306
- FBI, « Sextortion » scams and safety guidance. fbi.gov
- NSPCC, criminals using private messaging to groom children (2025). nspcc.org.uk
- NSPCC, « What is grooming? » signs and tactics. nspcc.org.uk
- Federal Trade Commission, « Top text scams of 2024 » (2025). ftc.gov
- Cyberbullying Research Center, 2023 cyberbullying data. cyberbullying.org
- Center for Countering Digital Hate, « YouTube’s Anorexia Algorithm » (Dec 2024). counterhate.com
- Institute for Strategic Dialogue, on the 764 network and « The Com. » isdglobal.org
- Institute for Strategic Dialogue, « 764: Networks of Harm » (Nov 2025). isdglobal.org
- US Department of Justice, leaders of 764 charged over global child exploitation enterprise. justice.gov
- Anti-Defamation League, on misogynist influencer reach among teens. adl.org