Correct title:  Russia-backed hackers successfully smish Signal and WhatsApp accounts...

Using the word breach carries the connotation that the encryption was compromised which it was not. Click bait bullshit.

DarrelXero

"The Russian hackers have likely gained access to sensitive ⁠information," the General Dutch Intelligence Agency (AIVD) and Dutch Military Intelligence and Security Service (MIVD) said.

"Targets and victims of the campaign include Dutch government employees" and journalists, the agencies said.

The chat apps offering end-to-end encryption are popular with government officials for sharing confidential or classified information, making them "the ideal place for malicious actors to try to capture sensitive information," they said.

news

"The Russian hackers have likely gained access to sensitive ⁠information," the General Dutch Intelligence Agency (AIVD) and Dutch Military Intelligence and Security Service (MIVD) said.
"Targets and victims of the campaign include Dutch government employees" and journalists, the agencies said.
The chat apps offering end-to-end encryption are popular with government officials for sharing confidential or classified information, making them "the ideal place for malicious actors to try to capture sensitive information," they said.