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Threat Spotlight: Credential Theft vs. Admin Control—Two Devastating Paths to VPN Exploitation

Digital Shadows

Key Findings Even years after their disclosure, VPN-related vulnerabilities like CVE-2018-13379 and CVE-2022-40684 remain essential tools for attackers, driving large-scale campaigns of credential theft and administrative control. How AI and automation are amplifying the scale and sophistication of VPN attacks.

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Feds Charge Five Men in ‘Scattered Spider’ Roundup

Krebs on Security

technology companies between 2021 and 2023, including LastPass , MailChimp , Okta , T-Mobile and Twilio. Some SMS phishing messages told employees their VPN credentials were expiring and needed to be changed; other phishing messages advised employees about changes to their upcoming work schedule. com and ouryahoo-okta[.]com.

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Chinese threat actors use Quad7 botnet in password-spray attacks

Security Affairs

Quad7 botnet, also known as CovertNetwork-1658 or xlogin, was first spotted in the summer of 2023 by security researcher Gi7w0rm. The botnet operators are targeting multiple SOHO devices and VPN appliances, including TP-LINK, Zyxel, Asus, D-Link, and Netgear, exploiting both known and previously unknown vulnerabilities.

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A new campaign is likely targeting a zero-day in Fortinet FortiGate firewalls

Security Affairs

Threat actors gained unauthorized access to network devices, created accounts, and modified configurations. The campaign likely began in November 2024, the campaign unfolded in four phases: vulnerability scanning (Nov 1623, 2024), reconnaissance (Nov 2227), SSL VPN setup (Dec 47), and lateral movement (Dec 1627).

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Nation-state actors exploit Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus, CISA warns

Security Affairs

CISA warned that nation-state actors are exploiting flaws in Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus. Cybersecurity and Infrastructure Security Agency (CISA) warned that nation-state actors are exploiting security vulnerabilities in Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus.

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US DoJ charges five alleged members of the Scattered Spider cybercrime gang

Security Affairs

Between September 2021 and April 2023, the hackers carried out phishing attacks to steal login credentials from employees of 12 companies and individuals. Victims included gaming, telecom, and cryptocurrency firms, with losses reaching millions in stolen cryptocurrency and data from hundreds of thousands of accounts.

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Experts warn of mass exploitation of Ivanti Connect Secure VPN flaws

Security Affairs

Experts warn that recently disclosed Ivanti Connect Secure VPN and Policy Secure vulnerabilities are massively exploited in the wild. The flaw CVE-2023-46805 (CVSS score 8.2) In December 2023, Volexity investigated an attack where an attacker was placing webshells on multiple internal and external-facing web servers.

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