The head of the security Department of Facebook Inc. Alex Stamos is currently planning to resign because of the scandals and disagreements with management, writes The Wall Street Journal, citing informed sources.

A. Stamos manages the security in social networks in 2015. His Department, in particular, was responsible for the response to allegations of use of the platform by representatives of Russia with the purpose to affect results of elections of the President of the United States in 2016.

According to sources, he advocated the disclosure of more details about Russian interference in the elections, whereas some other top managers, including the head of Department of internal policy Sheryl Sandberg, has pursued a more cautious approach.

In addition, at the beginning of the year many employees of the security Department was transferred to other units, which strengthened A. Stamos in the desire to leave the company.

A . Stamos in response to the rumors stated that it continues to work in the company, however, did not comment on his future plans. The representative of Facebook said that he is “an important member of the team,” and also began to spread about his future.

In addition to history with the presidential election, recently, Facebook was at the center of yet another scandal when it became known that the British company Cambridge analytical Analytica stored and analyzed data on approximately 50 million citizens with social network, without their knowledge and consent. It is suspected that these data could be used in the presidential campaign of 2016.

The attorney General of Massachusetts, Maura Healey spoke about the plans to start the investigation of this case. The company account was blocked.

Senators Amy Klobuchar and John Kennedy were demanding to hold a special congressional hearing on the incident, with the participation of heads of major Internet companies, including Facebook, Google and Twitter. Meanwhile, Senator Ron Weiden demanded explanations from Facebook.

The scandal caused a reaction in Europe. Thus, the Chairman of the European Parliament Antonio Tajani has called the incident “an unacceptable violation of privacy rights” and called to investigate Faceook and Cambridge Analytica, then as a member of the European Commission for justice Vera jourova called the company a more responsible approach to the processing of personal data and announced plans to discuss the incident with their counterparts in the United States, where she goes to visit this week.