DDoS Attacks During Nowruz Holidays

During the Nowruz holidays in Iran, which began on March 26, a DDoS cyberattack disrupted internet access, leading to widespread disturbances. Reports indicated short-term mobile internet outages, and these disruptions persisted even after the Nowruz holidays. According to Cloudflare data, the attack affected over 80% of Iran’s network, and per local network experts, network packetContinue reading “DDoS Attacks During Nowruz Holidays”

Targeted VPN Protocol Disruption Following New Legislation: 

Between February 8, 2024, and the end of the month, there have been widespread and deliberate disruptions on protocols used in censorship circumvention tools and VPNs. Our research, which includes insights from developers of widely-used VPNs in Iran and data from the network monitoring community, indicates extensive and targeted disruptions on protocols such as Shadowsocks,Continue reading “Targeted VPN Protocol Disruption Following New Legislation: “

Sistan and Baluchestan; An Internet Outage Laboratory

From December 31, 2023, to January 30, 2024, Iran experienced two significant internet access disruptions due to issues with internet gateways. These incidents mirrored similar outages that occurred twice in November 2023. Additionally, on January 16, 2024, both fixed and mobile internet services were cut off in Sistan and Baluchestan, with a similar pattern ofContinue reading “Sistan and Baluchestan; An Internet Outage Laboratory”

End of the Definite Internet Shutdown Pattern in Sistan and Baluchestan; Continuation of Unexplained Disruptions

Seven months after the order by Ibrahim Raisi, the President of Iran, to the Ministry of Communications to investigate the cause of internet slowness and disruptions and to resolve them, no response has been given to this directive. Instead, he reiterated this order during the opening session of a communications project on December 22, 2023,Continue reading “End of the Definite Internet Shutdown Pattern in Sistan and Baluchestan; Continuation of Unexplained Disruptions”

Iran’s Internet Crisis in November: A Month of Disruptions

In the month of November, Iran’s internet infrastructure faced significant challenges. The country experienced three major national-level outages, along with two additional disruptions affecting mobile and internet operators.  In all three outages, the Telecommunication Infrastructure Company attributed the fault to disruptions in transmission lines and international internet routes. The severe network routing disruption, or ActiveContinue reading “Iran’s Internet Crisis in November: A Month of Disruptions”

Widespread Disruption Named Infrastructure Development

Internet users in Iran experienced widespread disruptions in September-October 2023, ranging from complete outages to severe disturbances. These disruptions coincided with the second internet blackout schedule announced by the Minister of Communications, Isa Zarepour, and his organization, the Infrastructure Communications Company. According to them, the internet in vast areas of Iran would be disrupted fromContinue reading “Widespread Disruption Named Infrastructure Development”

Scheduled Internet Disruptions following the Anniversary of Mahsa (Jina) Amini’s Death

September 16 marked the first anniversary of Mahsa (Jina) Amini and as well as the anniversary of Bloody Friday in the city of Zahedan. Sistan and Baluchestan province has faced weekly internet shutdowns every Friday for a year now.  Since November 2019, Iran has implemented internet shutdowns nearly ten times, each in response to eitherContinue reading “Scheduled Internet Disruptions following the Anniversary of Mahsa (Jina) Amini’s Death”