Dozens of people have been arrested for involvement in Anonymous cyberattacks, in countries including the US, UK, Australia, the Netherlands, Spain, India and Turkey.Evaluations of the group's actions and effectiveness vary widely.A tag of Anonymous is assigned to visitors who leave comments without identifying the originator of the posted content.
Then they tell the truth at unexpected and unfortunate times, sometimes destroying themselves in the process.
They are unpredictable." Norton states that the difficulties in reporting on the group cause most writers, including herself, to focus on the "small groups of hackers who stole the limelight from a legion, defied their values, and crashed violently into the law" rather than "Anonymous’s sea of voices, all experimenting with new ways of being in the world".
Some actions by members of the group have been described as being anti-Zionist.
It has threatened to cyber-attack Israel and engaged in the "#Op Israel" cyber-attacks of Israeli websites on Yom Ha Shoah (Holocaust Remembrance Day) in 2013.
The name Anonymous itself is inspired by the perceived anonymity under which users post images and comments on the Internet.