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| 1 | +<p class="has-font-size-caption has-color-tertiary-600">Last updated 12 March 2026</p> |
| 2 | + |
| 3 | +<h1 class="is-brand-comp with-subtitle">Online Safety Act</h1> |
| 4 | +<h2 class="subtitle">Definitions</h2> |
| 5 | + |
| 6 | +<p> |
| 7 | + It is important to understand what each type of content is exactly, so they are defined here. These are definitions |
| 8 | + which we have written: the Act defines each type of content in terms of related criminal offences, which is more |
| 9 | + complex than is necessary to deal with the content, so these descriptions are intended to provide a simple overview. |
| 10 | +</p> |
| 11 | + |
| 12 | +<h3>Priority Illegal Content</h3> |
| 13 | +<div class="has-font-size-caption"> |
| 14 | + <div class="widget"> |
| 15 | + <div class="widget--body"> |
| 16 | + <h4>Terrorism</h4> |
| 17 | + Terrorism is considered a violent action or threat of action, designed to influence a government or intimidate the |
| 18 | + public and advance a cause. Online terrorism content is any content made available to others online, which can |
| 19 | + encourage or promote terrorism. |
| 20 | + </div> |
| 21 | + </div> |
| 22 | + <div class="widget"> |
| 23 | + <div class="widget--body"> |
| 24 | + <h4>Child Sexual Exploitation & Abuse (CSEA)</h4> |
| 25 | + <h5>(a) Grooming</h5> |
| 26 | + Grooming is the process of building a relationship or emotional connection with a child or young person so the |
| 27 | + perpetrator can manipulate, exploit, and abuse them. |
| 28 | + <h5>(b) Image-based Child Sexual Abuse Material (CSAM)</h5> |
| 29 | + Online CSAM includes material depicting sexual activity, or indecent or prohibited imagery of children and can |
| 30 | + take the form of photographic images and videos, as well as non-photographic material, such as drawings and |
| 31 | + animations. Children themselves may generate content that can be considered CSAM, which can cause them harm. UK |
| 32 | + law enforcement refers to this as self-generated indecent imagery (SGII). |
| 33 | + <h5>(c) CSAM URLs</h5> |
| 34 | + This is distinct from child sexual abuse material itself in that the content which is shared <em>links to</em> |
| 35 | + CSAM rather than containing CSAM itself. |
| 36 | + </div> |
| 37 | + </div> |
| 38 | + <div class="widget"> |
| 39 | + <div class="widget--body"> |
| 40 | + <h4>Hate</h4> |
| 41 | + Hate offences can be experienced by many people, in particular minorities and other protected groups. The offences |
| 42 | + can be targeted at one or more individuals or wider communities. Online hate content may include threatening or |
| 43 | + abusive words, behaviours, images, and other media. The Police and the Crown Prosecution Service (CPS) recognise |
| 44 | + hate crime based on race, religion, disability, sexual orientation, and transgender identity. |
| 45 | + </div> |
| 46 | + </div> |
| 47 | + <div class="widget"> |
| 48 | + <div class="widget--body"> |
| 49 | + <h4>Harassment, stalking, threats, and abuse</h4> |
| 50 | + The offences of harassment, stalking, threats, and abuse relate to unwanted behaviours that can cause alarm and |
| 51 | + distress to other individuals or put them in fear of violence. A case can involve several types of behaviour, |
| 52 | + which may include violent threats, cyberstalking, or conduct intended to put a person in fear of violence or cause |
| 53 | + serious alarm or distress. |
| 54 | + </div> |
| 55 | + </div> |
| 56 | + <div class="widget"> |
| 57 | + <div class="widget--body"> |
| 58 | + <h4>Controlling or coercive behaviour</h4> |
| 59 | + Controlling or coercive behaviour occurs where the victim-survivor and the perpetrator are personally connected, |
| 60 | + the perpetrator repeatedly or continuously engages in behaviour that is controlling or coercive, and this |
| 61 | + behaviour has a serious effect on the victim-survivor, putting them in fear of violence or causing serious alarm |
| 62 | + or distress which has a substantial adverse effect on their usual day-to-day activities.<br/> |
| 63 | + <br/> |
| 64 | + Coercive behaviour can be an act (or a pattern of acts) of assault, threats, humiliation and intimidation or other |
| 65 | + abuse that is used to harm, punish, or frighten those in intimate or family contexts. Controlling behaviour |
| 66 | + includes a range of acts designed to make a person subordinate and/or dependent by isolating them from sources of |
| 67 | + support, exploiting their resources and capacities for personal gain, depriving them of the means needed for |
| 68 | + independence, resistance, and escape, and regulating their everyday behaviour. |
| 69 | + </div> |
| 70 | + </div> |
| 71 | + <div class="widget"> |
| 72 | + <div class="widget--body"> |
| 73 | + <h4>Intimate image abuse</h4> |
| 74 | + Most commonly, an ‘intimate image’ is a photograph or video where the person or people are depicted engaging or |
| 75 | + participating or are present during a sexual act and/or where their genitals, buttocks, or breasts are exposed or |
| 76 | + covered only with underwear. Intimate image abuse occurs when these intimate images are shared or distributed |
| 77 | + without the consent of the person pictured; or when someone threatens to share or distribute these images or |
| 78 | + videos without consent. |
| 79 | + </div> |
| 80 | + </div> |
| 81 | + <div class="widget"> |
| 82 | + <div class="widget--body"> |
| 83 | + <h4>Extreme pornography</h4> |
| 84 | + ‘Extreme pornography’ is an umbrella term used in UK law to cover several categories of images which are illegal |
| 85 | + to possess. Although the legislation varies slightly across legal systems in the UK, extreme pornography broadly |
| 86 | + covers images which are produced principally for sexual arousal, and which depict extreme or obscene behaviours. |
| 87 | + Possession involves having ‘custody or control’ over the content. Extreme pornographic content includes realistic |
| 88 | + and explicit depictions of necrophilia, bestiality, acts threatening a person's life, acts that could result in |
| 89 | + serious injury to specific parts of the body, rape, and assault by penetration. |
| 90 | + </div> |
| 91 | + </div> |
| 92 | + <div class="widget"> |
| 93 | + <div class="widget--body"> |
| 94 | + <h4>Sexual exploitation of adults</h4> |
| 95 | + Sexual exploitation is the inducement of a commercial sex act generally by means of force, fraud, or coercion. |
| 96 | + Online this frequently falls into two distinct categories: (a) individuals who are coerced or forced into sex |
| 97 | + work, and (b) consenting adult sex workers who are controlled or exploited by another person. |
| 98 | + </div> |
| 99 | + </div> |
| 100 | + <div class="widget"> |
| 101 | + <div class="widget--body"> |
| 102 | + <h4>Human trafficking</h4> |
| 103 | + Human trafficking encompasses a wide range of harmful activities. It can involve modern slavery, and victims and |
| 104 | + survivors include adults and children. It is estimated that there were 122,000 people living in modern slavery in |
| 105 | + the UK in 2021. Notable forms of human trafficking where harm can manifest online include sexual exploitation and |
| 106 | + abuse, forced labour, and criminal exploitation such as county lines exportation of illegal drugs. |
| 107 | + </div> |
| 108 | + </div> |
| 109 | + <div class="widget"> |
| 110 | + <div class="widget--body"> |
| 111 | + <h4>Unlawful immigration</h4> |
| 112 | + ‘Illegal entry’ means an individual entering the United Kingdom in breach of a deportation order, entering without |
| 113 | + permission to remain, or without entry clearance when the individual needs it. A person commits the offence of |
| 114 | + ‘unlawful immigration’ if they do an act which facilitates a breach or attempted breach of immigration law by an |
| 115 | + individual who is not a national of the United Kingdom – and where they know or have reasonable cause for |
| 116 | + believing this to be the case. It is usually encouraged by organised crime. Online aspects of unlawful immigration |
| 117 | + could include the sale of counterfeit travel documents such as passports, visas and identification papers, as well |
| 118 | + as the sale of crossings. |
| 119 | + </div> |
| 120 | + </div> |
| 121 | + <div class="widget"> |
| 122 | + <div class="widget--body"> |
| 123 | + <h4>Fraud and financial offences</h4> |
| 124 | + Content in this category overlaps strongly with offences related to Proceeds of Crime. Fraud may occur online as |
| 125 | + fraud by impersonation or false representation; purchase, investment, romance, or employment scams, or the |
| 126 | + recruitment of money mules or launderers. |
| 127 | + </div> |
| 128 | + </div> |
| 129 | + <div class="widget"> |
| 130 | + <div class="widget--body"> |
| 131 | + <h4>Proceeds of crime</h4> |
| 132 | + ‘Proceeds of crime’ is the term used for money or assets gained by criminals during their criminal activity and |
| 133 | + money laundering. Examples of activities which involve the proceeds of crime online include people being recruited |
| 134 | + as money mules to transfer illegally obtained money between bank accounts, discussion between criminals to arrange |
| 135 | + money laundering, and stolen personal information (via other criminal activity) offered for sale which can be used |
| 136 | + to commit or facilitate other types of fraud. |
| 137 | + </div> |
| 138 | + </div> |
| 139 | + <div class="widget"> |
| 140 | + <div class="widget--body"> |
| 141 | + <h4>Drugs and psychoactive substances</h4> |
| 142 | + The supply of drugs and psychoactive substances is facilitated online by enabling suppliers to market their |
| 143 | + products and connect with potential buyers. Many of the functionalities of online services that enable suppliers |
| 144 | + of legal products to reach, engage and deal directly or indirectly with customers can also be used by those |
| 145 | + selling illicit substances. |
| 146 | + </div> |
| 147 | + </div> |
| 148 | + <div class="widget"> |
| 149 | + <div class="widget--body"> |
| 150 | + <h4>Firearms, knives, and other weapons</h4> |
| 151 | + The firearms, knives, and other weapons offences cover various matters relating to the online sale of a range of |
| 152 | + firearms, knives, and other weapons. In the UK, firearms and certain offensive weapons are classified as restricted |
| 153 | + or prohibited. Prohibited firearms and offensive weapons are subject to the strictest limitations on sale. |
| 154 | + </div> |
| 155 | + </div> |
| 156 | + <div class="widget"> |
| 157 | + <div class="widget--body"> |
| 158 | + <h4>Encouraging or assisting suicide</h4> |
| 159 | + This offence takes place when an individual intentionally encourages or assists a person to (attempt to) end their |
| 160 | + life. Content related to suicide is extremely sensitive; while there may be users who post this content to cause |
| 161 | + harm to others, some users may post this content to find supportive communities, to express their own experiences |
| 162 | + as part of a healing process or to attempt to help others. Users posting and engaging with this type of content |
| 163 | + can include those in vulnerable circumstances who are themselves dealing with thoughts of suicide or self-harm, |
| 164 | + as well as those who have recovered or are recovering from mental health challenges. |
| 165 | + </div> |
| 166 | + </div> |
| 167 | + <div class="widget"> |
| 168 | + <div class="widget--body"> |
| 169 | + <h4>Foreign interference</h4> |
| 170 | + The new Foreign Interference Offence (FIO) has been designed to tackle malign activity carried out for, or on |
| 171 | + behalf of, or intended to benefit, a foreign power. Prohibited conduct captured by this offence will include where |
| 172 | + there is a misrepresentation of a person’s identity or purpose, or in the presentation of the information, for |
| 173 | + example, through state-backed disinformation campaigns. |
| 174 | + </div> |
| 175 | + </div> |
| 176 | + <div class="widget"> |
| 177 | + <div class="widget--body"> |
| 178 | + <h4>Animal cruelty</h4> |
| 179 | + Most acts of cruelty occur offline. The publication online of content relating to or depicting these offline acts |
| 180 | + does not in itself cause the animal unnecessary suffering (or further suffering) and therefore cannot constitute |
| 181 | + an offence under the Animal Welfare Act. However, the existence of online activities that encourage, assist, or |
| 182 | + commit acts of animal cruelty may result in content being made available which may distress a user, or cause them |
| 183 | + to engage in harmful or illegal behaviours and activities themselves. |
| 184 | + </div> |
| 185 | + </div> |
| 186 | +</div> |
| 187 | + |
| 188 | +<h3>Non-Priority Illegal Content</h3> |
| 189 | +<div class="has-font-size-caption"> |
| 190 | + <div class="widget"> |
| 191 | + <div class="widget--body"> |
| 192 | + <h4>Epilepsy trolling</h4> |
| 193 | + Some individuals with epilepsy may have a physical reaction to online content; they may feel disorientated, |
| 194 | + uncomfortable, or unwell after seeing certain images or patterns. The offence is sharing an image with the |
| 195 | + intention to cause harm to an individual with epilepsy. |
| 196 | + </div> |
| 197 | + </div> |
| 198 | + <div class="widget"> |
| 199 | + <div class="widget--body"> |
| 200 | + <h4>Cyberflashing</h4> |
| 201 | + The cyberflashing offence refers to the sending of a photograph or film of genitals, to cause alarm, distress, or |
| 202 | + humiliation, or to obtain sexual gratification. In addition, cyberflashing can form part of a pattern of harmful |
| 203 | + behaviour that includes other harms such as cyberstalking, harassment, and/or controlling or coercive behaviour. |
| 204 | + </div> |
| 205 | + </div> |
| 206 | + <div class="widget"> |
| 207 | + <div class="widget--body"> |
| 208 | + <h4>Encouraging or assisting serious self-harm</h4> |
| 209 | + This offence takes place when an individual intentionally encourages or assists a person to carry out serious |
| 210 | + self-harm. Posting of content that amounts to the offence of encouraging or assisting serious self-harm is often |
| 211 | + found in proximity to posting of other types of content related to self-harm that do not amount to the offence. |
| 212 | + </div> |
| 213 | + </div> |
| 214 | + <div class="widget"> |
| 215 | + <div class="widget--body"> |
| 216 | + <h4>False communications</h4> |
| 217 | + A person commits the false communications offence if they send a message, with no reasonable excuse to send it, |
| 218 | + that they know to be false and intend for that message to cause harm. |
| 219 | + </div> |
| 220 | + </div> |
| 221 | + <div class="widget"> |
| 222 | + <div class="widget--body"> |
| 223 | + <h4>Obscene content showing torture of humans and animals</h4> |
| 224 | + This is a non-priority offence covering depictions of cruelty which are so serious as to be obscene, but which may |
| 225 | + not amount to another priority offence (such as terrorism or animal cruelty offences). This offence is important |
| 226 | + because for pre-recorded content some illegal animal cruelty and human torture content may not necessarily amount |
| 227 | + to a priority offence. |
| 228 | + </div> |
| 229 | + </div> |
| 230 | + <div class="widget"> |
| 231 | + <div class="widget--body"> |
| 232 | + <h4>Threatening communications</h4> |
| 233 | + A person commits the threatening communications offence if they send a message that conveys a threat of death or |
| 234 | + serious harm and, at the time of sending it, the sender intended the individual encountering the message to fear |
| 235 | + that the threat would be carried out, or was reckless as to whether the individual encountering the message would |
| 236 | + fear that the threat would be carried out. |
| 237 | + </div> |
| 238 | + </div> |
| 239 | +</div> |
| 240 | + |
| 241 | +<h3>Service-specific illegal content risks</h3> |
| 242 | +<p> |
| 243 | + Our risk assessment has also identified some additional types of illegal content based on the platform's risk profile. |
| 244 | +</p> |
| 245 | + |
| 246 | +<div class="has-font-size-caption"> |
| 247 | + <div class="widget"> |
| 248 | + <div class="widget--body"> |
| 249 | + <h4>De-anonymisation (“doxxing”)</h4> |
| 250 | + De-anonymisation, known online as “doxxing”, is the posting of a user’s personal information by another user |
| 251 | + without permission. This may include a user’s name, home or work address, email address, telephone number, |
| 252 | + information about protected characteristics such as sexual orientation, or other personally-identifiable |
| 253 | + information. This is often done with the intent to humiliate the victim, but in more serious cases may be done |
| 254 | + with the intention to expose the victim to physical harm. |
| 255 | + </div> |
| 256 | + </div> |
| 257 | + <div class="widget"> |
| 258 | + <div class="widget--body"> |
| 259 | + <h4>Copyright infringement</h4> |
| 260 | + Copyright infringement may occur online when content is researched or used from elsewhere as part of |
| 261 | + user-generated content, in violation of the copyright on that content and not otherwise permitted by fair dealing |
| 262 | + exceptions. It is also likely that the use of generative AI models is a strong risk factor for copyright |
| 263 | + infringements, as these models often fail to appropriately reference their sources for users to consider whether a |
| 264 | + copyright exists. |
| 265 | + </div> |
| 266 | + </div> |
| 267 | +</div> |
| 268 | + |
| 269 | +<div class="has-text-align-right"> |
| 270 | + <%= link_to osa_training_path('handling') do %> |
| 271 | + <strong>Next</strong><br/> |
| 272 | + Handling Illegal Content » |
| 273 | + <% end %> |
| 274 | +</div> |
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