If you can’t log in, contact the website to ask how to update it.  See an account you don’t recognize? Your data could have been sold  or redistributed. This could also be an account you forgot you  created or a company that changed names.
Os nad oes modd i chi fewngofnodi, cysylltwch â'r wefan i ofyn sut i'w ddiweddaru. Gweld cyfrif nad ydych chi'n ei adnabod? Gall fod eich data wedi cael ei werthu neu ei ailddosbarthu. Gall hyn hefyd fod am gyfrif rydych wedi'i anghofio roeddech wedi ei greu neu gwmni sydd wedi newid ei enw.