A prolonged internet blackout in Iran, lasting more than 60 hours, followed U.S.-Israeli airstrikes targeting Iranian military sites. The disruption has triggered global concern over cyber warfare escalation and potential oil market instability.
- Internet outage in Iran lasted over 60 hours starting March 1, 2026
- More than 80 million users affected by nationwide blackout
- Brent crude (CL=F) rose 4.2% to $92.30 per barrel post-outage
- VIX (^VIX) reached 28.6, its highest since October 2024
- Cyberattacks targeting Iranian government and financial systems intensified
- Defense stocks like LMT and RTX saw 4–5% gains amid rising cyber defense demand
Iran experienced a nationwide internet outage exceeding 60 hours starting late Saturday, March 1, 2026, after coordinated U.S.-Israeli airstrikes struck multiple military installations near Tehran and Isfahan. The blackout, which affected over 80 million users, disrupted communications, financial systems, and state operations. Initial reports indicate that critical internet infrastructure—particularly undersea fiber-optic nodes and backbone routers—sustained damage, with recovery efforts underway since early March 3. The outage coincides with a broader escalation in cyber operations, with cybersecurity firms detecting a significant spike in distributed denial-of-service (DDoS) attacks targeting Iranian government and financial websites. These attacks, believed to be state-linked, appear to have exploited vulnerabilities revealed during the kinetic strikes. The combination of physical and digital assaults marks a new phase in regional conflict dynamics, raising concerns about the resilience of national digital infrastructure. Energy markets reacted swiftly: Brent crude futures (CL=F) rose 4.2% to $92.30 per barrel, while the VIX index (^VIX) climbed to 28.6—the highest level since October 2024—reflecting heightened risk sentiment. Analysts warn that further disruptions to Iran’s oil export capacity, which averages 2.3 million barrels per day, could trigger supply shocks, especially as pipeline routes remain under surveillance. Defense stocks such as Lockheed Martin (LMT) and Raytheon Technologies (RTX) also saw a 5.7% and 4.1% uptick, respectively, amid growing demand for cyber defense and missile interception systems. The sustained loss of connectivity has impeded humanitarian coordination and business continuity within Iran. International organizations are monitoring the situation closely, with the EU and U.S. urging restraint to prevent further destabilization. The prolonged outage underscores the increasing integration of cyber operations with conventional warfare, setting a precedent for future conflicts in strategically sensitive regions.