Software

New DOUBLECUP ClickFix service hides malware in browser cache images

A new Russian loader-as-a-service named DOUBLECUP uses ClickFix attacks to hide malicious code in PNG images cached by victims’ browsers, ultimately delivering CountLoader to Windows and macOS devices and a new remote access trojan named DeviceManager to Windows systems. SOCRadar’s Threat Research Unit says DOUBLECUP has operated since early June 2026, providing customers with licenses

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New Pass-ta-key attacks let malware hijack Google-synced passkeys

Security researchers have discovered three attacks that allow malware on already-compromised Windows devices to abuse Google Password Manager’s synced passkeys to take over accounts, bypass user verification, and extract passkey private keys. Passkeys are a passwordless authentication method that uses cryptographic keys stored on a user’s device to sign in to online accounts. They are

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Hotel Wi-Fi attacks use custom malware to breach Microsoft 365 accounts

Microsoft has linked a global campaign targeting hospitality Wi-Fi networks to the Russian threat actor Midnight Blizzard, also known as APT29. The activity was previously disclosed in a report from cybersecurity company ReliaQuest, which detailed how the attacker changed DNS settings on Wi-Fi devices to steal Microsoft 365 accounts. Besides attributing the campaign to Russian

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Horizon3 hits $2 billion valuation with $250M Series E as AI threats escalate

Cybersecurity startup Horizon3 has raised a $250 million Series E at a $2 billion valuation, more than tripling its valuation in 14 months. The San Francisco-based firm drew backing from returning investors NightDragon and NEA. The funding arrives as two major AI research labs disclosed last week that their models had breached systems outside their

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Samsung bans smart TV apps that share users’ internet connections with strangers

Several popular Samsung smart TV apps contain code that share the owner’s internet connection with strangers, potentially putting millions of Samsung smart TVs at risk of hijacking, according to new security research published on Monday. Some of these apps claim to have been installed on hundreds of millions of smart TVs in people’s homes, per

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Chrome and Edge are getting smarter screen sharing on bad Wi-Fi

Affiliate links on Android Authority may earn us a commission. Learn more. If you’ve ever tried presenting a document, spreadsheet, or slide deck over a spotty Wi-Fi connection, you’ve probably watched your crisp text dissolve into a blurry mess. That’s one of the biggest frustrations with browser-based video calls today, but Chrome and Edge are

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Google is rebuilding Chrome security using AI to catch hidden vulnerabilities

Affiliate links on Android Authority may earn us a commission. Learn more. Google is fundamentally overhauling how it secures Chrome, leveraging AI to discover, triage, and patch vulnerabilities at a speed traditional security workflows simply can’t match. As the browser picks up user-facing tweaks like an Appearance menu and under-the-hood scroll performance upgrades, Google’s underlying

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Analog Devices discloses data breach, says operations unaffected

American semiconductor company Analog Devices announced that an unauthorized party accessed some of its systems and exfiltrated certain files. The company detected the incident on June 23 and reacted by activating its incident response protocols to limit the breach. External cybersecurity experts have been contracted to assist with the containment and investigation activities. Currently, there

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Microsoft Teams vishing attacks lead to Chaos ransomware attacks

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. Sophos tracks the campaign as STAC4749 and says it targeted dozens of organizations between February and June 2026. At least three of these intrusions led to the

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