The global organization of hackers Anonymous issued a statement today Friday stating that it was successful cyber attack the Israeli Army (IDF) and reportedly detached 250,000 military documents.

The organization says it gained access to the 20-gigabyte data audit, which includes more than 233,000 documents, including PDFs, Word files, PowerPoint presentations and more.

Anonymous presents and video with excerpts from PowerPoint presentations showing IDF personnel and slides bearing logos of the General Staff departments.

The authenticity of the documents in the video has not been confirmed, the Jerusalem Post reports.

IDF: No serious risk, ‘psychological warfare’ tactic by hackers

According to the estimates of Israeli Armed Forces security experts, the likelihood of an actual breach in the IDF’s records is minimal, suggesting a possible “psychological warfare” tactic by the hackers.

“Armed Forces computer systems are well secured and classified at various levels. If a breach did occur, it is unlikely that access would extend directly to IDF computers. On the contrary, files may have been obtained from civilian computers, potentially violating the regulations” Israeli army experts estimate