"secure herself" is a grammatically correct and commonly used phrase in written English.
It means to protect or safeguard oneself from harm or danger. Example: After breaking up with her abusive partner, Sarah took steps to secure herself by getting a restraining order and changing her locks.
When Barry showed Kate the play, she thought it good enough to invest in the production and to secure herself the movie rights (with money borrowed from Hughes).
Eager to secure herself a rich and handsome husband, Arabella cannot guess that the enigmatic robert is entwined in a treasonous plot against Queen Anne.
Three marriages: one to secure herself a work permit; one to prevent a (gay) friend being deported; now to television producer and director Ed Bye, with whom she has two daughters.
It's the tale as old as the hills (and the subject of some dubious male fantasies): the hooker with a heart of gold who is engaged in sex work by choice in order to secure herself a better future.
As Marine Le Pen's loathsome brand of bigotry gains national traction, this story of Dounia, a hard-up teenage Muslim from the outer Paris estates determined to secure herself a taste of the good life – by hook or, dangerously, by crook – plays as an exhilaratingly amoral, empathetic minority report.
Although so far this is rare!" Joseph embarked on a relationship with fellow Registrar Jac, who hoped to impress Joseph's father and secure herself a promotion to Consultant.
At the top of the fourth pitch, she secured herself to an anchor she built into the rock wall.
The actor Doreen Keogh, who has died aged 93, secured herself a place in television history by playing Coronation Street's first barmaid at the Rovers Return, Concepta Riley.
Once in the French capital, she secured herself an agent and started working as an actress more or less straight away.
— BEN ROTHENBERG No. 3 Maria Sharapova has secured herself a very nice medal on her first trip to the Olympics, advancing to the gold medal match with a 6-2, 6-3 win over countrywoman Maria Kirilenko.
Yet despite the attentions of many admirers, Kitty had reached the age of 25 as yet unmarried and when her younger sister had secured herself a baronet she had panicked and accepted Walter Fane's offer of marriage.
