How old was malala when the Taliban became a presence in the Swat valley?

Malala Yousafzai was around 11 years old when the Taliban became a prominent presence in the Swat Valley, which occurred around 2007. The Taliban's influence escalated significantly during that time, leading to increased violence and restrictions on education, particularly for girls. Malala became an outspoken advocate for girls' education in response to these challenges.