CyberWell has complied a database of antisemitic social media posts which will help the organisation train an advanced AI algorithm designed to recognise and reject Jew-hatred online.

It took the independent tech non-profit two years to collect 10,000 posts for the database.

The news comes after figures published by The Community Security Trust (CST) last year showed a 589 per cent increase in antisemitic incidents in the UK during the 12 months following the 7 October attack by Hamas on Israel, in which around 1,200 people were killed.

CyberWell uses AI technology to monitor posts in English and Arabic that promulgate antisemitism, Holocaust denial, and promote violence against Jews.

Each post is individually vetted by the non-profit’s analysts and submitted to social media platform moderators alongside the relevant community guidelines and hate speech policies the individual post violates.

The vetted post is also published to CyberWell’s open database, which lets anyone with a social media account report Jew-hatred directly to platforms.

The move follows criticism from several organisations tackling hate speech, including CyberWell, about new plans announced by Meta to axe its third-party fact-checking programme.

Earlier this month Meta founder Mark Zuckerberg said that, starting in the US, the company will replace its fact-checking process with a community notes model similar to that of X.

But in Europe this week, Facebook, X and YouTube agreed to step up their efforts to tackle online hate speech through an updated code of conduct.

Signatories to the new code, called the Code of Conduct+, pledge to do a number of tasks, including implementing a network of ‘Monitoring Reporters’, which are public or non-profit entities with expertise in illegal hate speech, to regularly monitor how their platforms review hate speech.

“Our favourite social media apps and websites are among the most crucial frontiers in the war against antisemitism,” said CyberWell founder and executive director Tal-Or Cohen Montemayor.

She continued: "We must do everything possible to defend ourselves against the spread of this hate. Through our social media expertise and understanding, we can leverage knowledge and technology in support of safer spaces online, mitigating the effects that these hate-filled campaigns and narratives have in our offline lives.”

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