Cybersecurity

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks 

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Microsoft Office as part of a campaign codenamed Operation Neusploit.
Zscaler ThreatLabz said it observed the hacking group weaponizing the shortcoming on January 29, 2026, in attacks targeting users in Ukraine, Slovakia, and Romania, three

Mozilla Adds One-Click Option to Disable Generative AI Features in Firefox 

Mozilla on Monday announced a new controls section in its Firefox desktop browser settings that allows users to completely turn off generative artificial intelligence (GenAI) features.
“It provides a single place to block current and future generative AI features in Firefox,” Ajit Varma, head of Firefox, said. “You can also review and manage individual AI features if you choose to use them. This

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