# Indexes dropped, please\_read index found **URL:** \ **Category:** Elasticsearch\ **Created:** [January 13, 2017, 5:22pm UTC](https://discuss.elastic.co/t/indexes-dropped-please-read-index-found/71551 "2017-01-13T17:22:49Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![bkamiche](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bkamiche/32/14559_2.png) [@bkamiche](https://discuss.elastic.co/u/bkamiche)\ **Post date:** [January 13, 2017, 5:22pm UTC](https://discuss.elastic.co/t/indexes-dropped-please-read-index-found/71551/1 "2017-01-13T17:22:49Z")
All the indexes on my cluster have been deleted for two days in a row, and a suspiciously "please\_read" index as found, although it had no data on it. The cluster is protected from public internet access, and we don't exactly how to prevent this situation. Any pointers? ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 13, 2017, 5:36pm UTC](https://discuss.elastic.co/t/indexes-dropped-please-read-index-found/71551/2 "2017-01-13T17:36:04Z")
Read > [@Ransom attack on Elasticsearch cluster?](https://discuss.elastic.co/t/ransom-attack-on-elasticsearch-cluster/71310/13): > > Our ES cluster is also hacked . All the indices were removed and a warning message is shown . please suggest some security measures . Thanks ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [February 10, 2017, 5:36pm UTC](https://discuss.elastic.co/t/indexes-dropped-please-read-index-found/71551/3 "2017-02-10T17:36:08Z")
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