Kloeckner Metals Corporation Reports Network Intrusion and Data Exfiltration
Learn More
Kloeckner Metals Corporation, a major distributor of steel and metal materials, reported a data breach to the Maine Attorney General on April 10, 2026.
The attackers maintained access to the corporate network for approximately six days, from February 17 to February 23, 2026. The breach resulted in theft of sensitive files containing personal identifiers. The investigation into the full scope of the technical compromise concluded on March 13, 2026, confirming that data had been stolen from internal systems.
The compromised data includes:
- Full names
- Social Security numbers (SSNs)
The nature of the attack and number of affected individuals is not disclosed. The company notified law enforcement and hired external security firms to help strengthen its network defenses. Kloeckner began mailing notification letters on April 10, 2026, and is providing 12 months of free credit monitoring and identity protection services.
Security experts recommend that affected individuals monitor their financial accounts and insurance statements for any unauthorized activity. Place fraud alerts or a security freeze on credit files through major bureaus like Equifax, Experian, and TransUnion.
