Segal began his journalistic career at the age of 17 as an education reporter at the Kol Ha'ir local newspaper.

[8] Among his exposés as a journalist: the Agraksko affair; Parshat Yehiel Hazan ("The Brain Affair"); The publication of recordings from the IDF communications network in which the soldier Udi Goldwasser was heard minutes before his abduction and the complaints against Labor Party candidate Uri Sagi.

[9] In 2008, following a request he submitted together with the Freedom of Information Movement against the Knesset, the District Court of Jerusalem ordered the Knesset to publish films from the security cameras, in which Likud MK Yehiel Hazan and Minister Sofa Landver are seen committing criminal offenses.

The investigation was mentioned in the media as the main reason Misezhnikov was not included in the Yisrael Beiteinu list for the 19th Knesset.

[11] In December 2014 Segal revealed tapes from 2008 in which Shas leader Rabbi Ovadia Yosef (1920–2013) was seen harshly attacking party chairman Aryeh Deri.

[13] In November 2017 he published an investigation that dealt with then Israel's ambassador to the UN, Danny Danon, which contained evidence that raised suspicions about the appointmentment of dozens of Likud activists to positions in the Zionist Council in exchange for political support for Danon in the Likud primaries.

[14] In March 2019 Segal published that Iran had hacked into the cell phone of Blue and White chairman Benny Gantz and extracted its contents, and that the Shin Bet had informed Gantz about the matter in a secret meeting during the election campaign.

[15] On May 30, 2019, on the eve of the dissolution of the 21st Knesset, Segal revealed that Israeli Labor Party leader Avi Gabai and Tal Russo intended to join the government led by Benjamin Netanyahu.