Updated: Paragraph 1.1 tax credits letters (English) and 1.1 Llythyrau credydau treth (Welsh) added.
Phishing is the fraudulent act of emailing a person in order to obtain their personal/financial information such as passwords and credit card or bank account details. These emails often include a link to a bogus website encouraging you to enter your personal details.
This guidance explains how to recognise genuine contact from HMRC, and how to tell when an email/text message is phishing/bogus.
Source: HMRC