Telefónica has confirmed a breach of its internal ticketing system, leading to a significant data leak. The incident has been linked to a cyberattack that resulted in sensitive information being exposed on a hacker forum. In a separate incident, a Mexican fintech firm has also reported that its data was compromised due to unresolved misconfiguration. Additionally, there have been complaints from Ukrainians in Portugal regarding data violations, highlighting ongoing concerns about data security and privacy.