1. Excellent business ability: With excellent acting skills and face value, Gianna Jun has performed well in movies, TV series, advertisements and other fields, and has become one of the representative actresses in Korean entertainment circles. Her acting skills have been highly recognized by the audience and insiders, and her status is relatively high, so few people dare to question or hack her.

2. Personal charm and style: Gianna Jun has her own personal charm and style, and her dress and makeup are often imitated by fans. To some extent, this also increased her unshakable.

3. Good popularity: Gianna Jun has a good popularity in the entertainment circle and maintains good relations with many artists. This makes her have extensive influence and appeal in the entertainment circle, which has established a good reputation for her and avoided many unnecessary disputes.

4. Background and influence: Gianna Jun has a high position in Korean entertainment circle, and gained many resources and opportunities in his early days, and won the grand prize representing the highest honor of Korean actors. This also provides a solid background and influence for her career development, making it more challenging for her to be black.

Generally speaking, the reason why no one dares to hack Gianna Jun is mainly because of her personal charm and position in the entertainment circle, as well as her good popularity, background and influence. These factors work together to make her have an unshakable position in the entertainment circle.