Full Report
Researchers from Forescout Technologies‘ Vedere Labs analyzed 35,000 solar power devices, including inverters, data loggers, monitors, gateways, and... The post Forescout finds Europe leading in exposed solar power equipment, raising alarms on infrastructure security appeared first on Industrial Cyber.
Analysis Summary
# Industry News: Widespread Internet Exposure of Solar Power Devices Signals Mounting ICS Risk
## Summary
Forescout's Vedere Labs uncovered significant internet exposure across 35,000 solar power devices globally, highlighting severe unpatched vulnerabilities, particularly in Europe. This research underscores the growing cyber risk to renewable energy infrastructure, where exposed management interfaces are being actively targeted by botnets and could serve as initial access vectors into critical operational technology (OT) environments.
## Key Details
- Date: Announced recently (following prior March disclosure)
- Companies Involved: Forescout Technologies (Vedere Labs), SMA Solar Technology, Fronius International, CONTEC, Sungrow, Huawei, etc.
- Category: Threat Intelligence/Vulnerability Assessment
## The Story
Forescout's analysis of 35,000 internet-exposed solar power devices (inverters, gateways, etc.) revealed that 76% of these assets reside in Europe. The study identified top vendors with exposed assets, noting that major market leaders like Huawei and Ginlong Solis were absent from the top exposed list, suggesting a disconnect between market share and current internet exposure risk. A critical finding was the 350% increase in exposure for CONTEC SolarView Compact devices over two years, many of which are running old, vulnerable firmware and have been targeted by botnets for activities like bank theft. This research follows an earlier Forescout disclosure concerning high-severity vulnerabilities in major inverters (SUN:DOWN analysis). Researchers stressed that while these direct exposures might not immediately compromise the grid (as many devices are cloud-managed), they represent readily exploitable entry points into sensitive networks.
## Business Impact
### For the Companies Involved
- **Forescout:** Solidifies its position as a key analyst in the Operational Technology (OT) and Critical Infrastructure security space, driving demand for their visibility and risk assessment tools.
- **Affected Vendors (e.g., CONTEC, SMA):** Face immediate reputational damage and pressure to support end-of-life/unpatched devices, requiring urgent communication with their installed base regarding secure remote access implementation and mandatory patching.
### For Competitors
- Competitors specializing in OT/IoT security and asset inventory solutions will leverage this report to emphasize the blind spots existing in enterprise networks regarding industrial assets, pushing proactive discovery services.
### For Customers
- Owners/operators of solar power installations (utilities, commercial energy producers) must immediately audit their network perimeters to ensure management interfaces are not public-facing. They face potential operational disruption and need to accelerate patch management for OT/ICS assets.
### For the Market
- The findings increase scrutiny on the security posture of Renewable Energy Systems (RES), aligning with broader regulatory and governmental concerns (e.g., U.S. energy officials reassessing Chinese components). This will likely spur investment in compliance frameworks tailored specifically for energy sector IoT/ICS.
## Technical Implications
The research highlights the pervasive issue of legacy devices remaining operational long past vendor support, citing the continued exposure of the discontinued SMA Sunny WebBox from 2015. The active targeting of vulnerable SolarView Compact devices shows threat actors are readily exploiting known Remote Command Injection flaws, utilizing Tor exit nodes and bots registered in several key Western countries for reconnaissance and attack execution.
## Strategic Analysis
- Market Positioning: This research firmly places solar energy infrastructure security as a high-priority, evolving niche within the broader Industrial Control Systems (ICS) security market, moving beyond traditional utility substations into distributed renewable generation assets.
- Competitive Advantage: Forescout demonstrates superior visibility into exposed OT assets compared to self-reported vendor vulnerability data, capitalizing on Shodan/internet-scanning intelligence to build a concrete risk map.
- Challenges: The inability to force patching on distributed, often privately owned, solar installations presents a significant long-term remediation challenge for both manufacturers and regulators.
## Industry Reactions
- Analysts are likely to view this as confirmation that the massive scale-up of solar energy deployment has heavily outpaced security hardening efforts.
- Expert commentary will likely focus on the convergence of IT and OT risks, where consumer-grade IoT security flaws are directly impacting critical infrastructure stability.
- Market response will include increased inquiries directed toward security vendors capable of providing comprehensive OT asset discovery across geographically distributed footprints like solar farms.
## Future Outlook
- Expect increased regulatory guidance or enforcement actions regarding secure remote access (e.g., mandating VPNs over direct exposure) for field-installed solar equipment.
- Watch for targeted remediation campaigns by major vendors, driven by liability concerns related to highly exposed, outdated firmware versions.
## For Security Professionals
Security teams managing energy sector or large facility portfolios must prioritize OT asset discovery, specifically hunting for solar inverters and associated gateways. Mitigation steps must include securing remote access (VPNs mandatory) and accelerating efforts to retire or isolate devices running firmware older than the latest stable release, even if discovered outside the traditional IT environment.