The threat actor known as NoisyBear has launched a sophisticated cyber-espionage effort called Operation BarrelFire, using specially designed phishing lures that imitate internal correspondence to target Kazakhstan’s energy sector, particularly workers of the state oil and gas major KazMunaiGas. Security researchers at Seqrite Labs first observed the campaign in April 2025 and noted its rapid […] The post NoisyBear Exploits ZIP Files for PowerShell Loaders and Data Exfiltration appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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