A pro-Iran hacker group has taken credit for the attack on Bluesky, which appears to have lasted 24 hours.

Bluesky, the decentralized microblogging social media platform, reported service outages last week due to a distributed denial-of-service (DDoS) attack aimed at its systems.

Bluesky has confirmed that it was targeted by a sophisticated distributed denial-of-service (DDoS) attack that began late on April 15 (Pacific Time) and continued into the following day, causing intermittent disruptions across its platform. The incident affected key features, including user feeds, notifications, threads, and search functionality, leading to temporary service instability for users.

The company stated that while the attack impacted application performance, there is currently no evidence of unauthorized access to private user data. Bluesky emphasized that the disruption was limited to service availability and did not compromise the integrity or security of user information.

The attack has drawn attention due to claims of responsibility by a hacker group known as 313 Team. The group, also referred to as “Islamic Cyber Resistance in Iraq,” has positioned itself as a pro-Iran hacktivist collective. However, Bluesky has not confirmed the identity of the attackers, and the claims made by the group have not been independently verified.

313 Team has reportedly been active amid ongoing geopolitical tensions involving the United States, Israel, and Iran. While such hacktivist groups are known for launching disruptive cyber operations, cybersecurity experts often caution that these entities may exaggerate their capabilities or falsely claim responsibility for high-profile incidents.

In its public statement, 313 Team suggested that the attack would last approximately three hours. However, based on Bluesky’s status updates, the disruption persisted for nearly 24 hours, indicating a more sustained and complex assault than initially claimed.

Despite the prolonged attack, Bluesky confirmed that it was able to mitigate the impact and prevent extended outages. The company worked to stabilize its services while the attack was ongoing, ensuring that disruptions remained intermittent rather than resulting in a complete platform shutdown.

The incident highlights the growing threat posed by DDoS attacks against social media platforms, particularly during periods of heightened geopolitical activity. As threat actors continue to evolve their tactics, platforms like Bluesky are increasingly required to strengthen their infrastructure to maintain service continuity and protect user trust.

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