Hotel booking website HotelHippo has been closed permanently this week, after previously being taken down for maintenance, as a result of a security consultant revealing a myriad of concerning security glitches that allowed anyone to access booking information of customers.Owned by HotelStayUK, the website temporarily closed for maintenance last week, afterthe BBC contacted them aboutthe warnings from security consultant Scott Helme, who discovered the flaws.Accessing the page now …