The recording, which surfaced online late Tuesday and quickly spread across regional media outlets, has stirred controversy in both countries, raising concerns over sovereignty, military cooperation, and national security.

The Leaked Call

In the call, Prime Minister Paetongtarn and Hun Sen who remains a powerful figure in Cambodian politics despite handing over the premiership to his son, Hun Manet reportedly discussed border security, military coordination, and unspecified “sensitive matters” involving internal governance.

While the exact content of the recording has not been independently verified in full, snippets circulating online suggest that the leaders shared frank opinions about regional military maneuvers and political developments in ASEAN.

PM Paetongtarn’s Response

In a nationally televised statement, Paetongtarn said the phone call was made via her personal device, and she had no knowledge that it would be recorded or shared publicly.

“I regret the impact this has had on our relationship with Cambodia and on regional diplomacy,” she said. “This was a private call with a respected leader, and I did not consent to its recording or release.”

She further emphasized that her government remained committed to supporting the Thai military and maintaining open diplomatic channels with Cambodia.

Cambodia’s Reaction

So far, Phnom Penh has not officially commented on the leak. However, several Cambodian lawmakers and senior officials have expressed concern over what they describe as a “violation of diplomatic norms” and called on Bangkok to conduct a full investigation into how the recording was obtained and released.

Hun Sen himself has remained silent, though Cambodian state media suggested the leak was likely orchestrated by foreign intelligence agencies or political opponents seeking to undermine regional unity.

Rising Tensions Amid Military Posturing

The controversy comes at a time of heightened military presence along the Thai-Cambodian border, where both nations have been conducting exercises and troop mobilizations in recent weeks. While both governments insist the movements are routine, analysts warn that political missteps such as this leak could escalate tensions unnecessarily.

Thailand and Cambodia have long maintained a complex and sometimes uneasy relationship, shaped by historical territorial disputes, especially around the Preah Vihear Temple region, and deep political ties between elite families on both sides.

Regional Implications

The leak may also complicate ASEAN unity efforts, as leaders are preparing for a summit next month in Laos focused on regional security and cybersecurity. Diplomats in the region fear the incident could prompt countries to tighten communication protocols or even reduce direct leader-to-leader engagement, citing espionage risks.

Cybersecurity experts in Bangkok have warned that this case could be the result of sophisticated surveillance or digital interception, calling for a full audit of government communications infrastructure.