Several organisations have mishandled security breaches, including the UK Electoral Commission, which hid a massive hacking scandal; Samsung, which did not disclose the scale of a year-long data breach; and French cloud gaming company Shadow, which remained silent after a data theft. Other companies criticised for their response to cyberattacks include Lyca Mobile, MGM Resorts, Dish network, and CommScope, which failed to inform its own employees about stolen data.

Louis Vuitton says UK customer data stolen in cyber-attack – The Guardian
Summarize this content to a maximum of 60 words: Louis Vuitton says UK customer data stolen in cyber-attack The Guardian