In total, 170,000 people are expected to be deployed to guarantee security across the 12 host cities.
On Wednesday, President Dilma Rousseff said the armed forces could also be brought in if needed.
Since last June, protesters have staged a number of street marches, with some violent episodes, raising concerns about security at the tournament.
Earlier this month, a cameraman died after being hit by fireworks apparently launched by protesters.
In January, the organisers had suggested the tournament's security personnel would total 100,000 people.
Please click to read our informative text prepared pursuant to the Law on the Protection of Personal Data No. 6698 and to get information about the cookies used on our website in accordance with the relevant legislation.
6698 sayılı Kişisel Verilerin Korunması Kanunu uyarınca hazırlanmış aydınlatma metnimizi okumak ve sitemizde ilgili mevzuata uygun olarak kullanılan çerezlerle ilgili bilgi almak için lütfen tıklayınız.