Claude will now watermark all content generated using its tools

Why AI Watermarks and Detectors Could Backfire

AI watermarks and detectors may leave us worse off by creating a false sense of confidence in content marked as genuine, writes Nadav Ziv.

Claude will now watermark all content generated using its tools

Roughly three-quarters of newly published web pages now carry some machine-written text, according to a 2025 Ahrefs analysis of around 900,000 pages. This figure doesn’t account for offline documents. It also only covers text. Generative AI now produces music, illustrations, software, photographs and increasingly convincing video. The problem is that much of it is becoming difficult to distinguish from human-created work, raising transparency an…

Microsoft AI watermarks in Paint and Photos are linked to user IDs, researcher finds

When Anthropic disclosed earlier this month that it would be applying a statistical word-choice watermark to its Claude text output, the company noted that at least 190 AI providers have agreed to abide by Europe's AI transparency rules. One such company is Microsoft, which has been applying its own form of watermarking to images created with the assistance of AI in its Paint and Photos applications for Windows. The EU's Code of Practice on Tran…

Watermarks: the good, bad, and ugly

There has been a lot of discussion and debate over Anthropic’s watermark announcement, but it’s not much of an issue. It is required not only by the EU but China so AI companies must provide this technology. So for those who don’t like it, this is a chance to make lemonade out of lemons. At Cyber Protection Magazine, we see some very positive aspects of this developing technology. We use AI in various ways: to automate the processing of junk… er…