Cybersecurity articles tagged #Initial Access on RuntimeRebel.https://runtimerebel.comhttps://runtimerebel.com/blog/identity-attacks-mfa-bypass-the-new-ransomware-entry-pointhttps://runtimerebel.com/blog/identity-attacks-mfa-bypass-the-new-ransomware-entry-pointIdentity-based attacks, particularly email phishing, are now the leading cause of ransomware infections.Wed, 15 Jul 2026 21:10:35 GMTRansomwareIdentity AttacksMFA BypassPhishingCredential TheftInitial Accesshttps://runtimerebel.com/blog/etherrat-malware-via-microsoft-teams-it-support-impersonationhttps://runtimerebel.com/blog/etherrat-malware-via-microsoft-teams-it-support-impersonationThreat actors leverage fake IT support calls on Microsoft Teams to deploy EtherRAT malware, gaining initial access to corporate networks.Mon, 06 Jul 2026 21:39:59 GMTEtherRATMicrosoft TeamsSocial EngineeringImpersonationInitial AccessMalwarehttps://runtimerebel.com/blog/clickfix-social-engineering-how-to-detect-fake-browser-update-attackshttps://runtimerebel.com/blog/clickfix-social-engineering-how-to-detect-fake-browser-update-attacksClickFix has become the dominant malware delivery method. Learn how attackers use fake browser error overlays to trick users into executing malicious PowerShell.Thu, 02 Jul 2026 07:39:48 GMTClickFixSocial EngineeringLumma StealerInitial AccessClearFakehttps://runtimerebel.com/blog/adaptive-phishing-how-attackers-fingerprint-devices-via-user-agentshttps://runtimerebel.com/blog/adaptive-phishing-how-attackers-fingerprint-devices-via-user-agentsThreat actors are using real-time device fingerprinting to deliver OS-specific phishing payloads, increasing the success rates of social engineering attacks.Thu, 02 Jul 2026 07:37:51 GMTPhishingSocial EngineeringDevice FingerprintingUser AgentInitial Accesshttps://runtimerebel.com/blog/outdated-redcap-servers-targeted-by-china-linked-unc6508https://runtimerebel.com/blog/outdated-redcap-servers-targeted-by-china-linked-unc6508A majority of internet-accessible REDCap servers remain unpatched, making them prime targets for initial access and backdoor deployment by China-linked UNC6508.Thu, 18 Jun 2026 17:10:13 GMTREDCapUNC6508Outdated SoftwareHealthcareInitial AccessBackdoorhttps://runtimerebel.com/blog/onboarding-password-risk-securing-first-day-account-accesshttps://runtimerebel.com/blog/onboarding-password-risk-securing-first-day-account-accessTemporary onboarding passwords, often sent insecurely and reused, pose significant risk. Learn how to secure initial employee access and mitigate threats.Mon, 15 Jun 2026 14:21:06 GMTOnboarding SecurityPassword PolicyIdentity ManagementInitial AccessEmployee RiskZero Trusthttps://runtimerebel.com/blog/fbi-disrupts-first-vpn-service-used-by-ransomware-groupshttps://runtimerebel.com/blog/fbi-disrupts-first-vpn-service-used-by-ransomware-groupsThe FBI and international partners dismantled First VPN, a specialized service used by dozens of ransomware groups for reconnaissance and intrusions.Fri, 22 May 2026 13:00:22 GMTFirst VPNRansomwareFbi DisruptionReconnaissanceInitial Accesshttps://runtimerebel.com/blog/canadian-man-arrested-for-kimwolf-botnet-operationshttps://runtimerebel.com/blog/canadian-man-arrested-for-kimwolf-botnet-operationsJacob Butler faces US extradition for operating the Kimwolf botnet. Analysis of the arrest, botnet infrastructure, and its role in the initial access market.Fri, 22 May 2026 12:59:57 GMTKimwolfBotnetLaw EnforcementInitial AccessCredential Thefthttps://runtimerebel.com/blog/kongtuke-exploits-microsoft-teams-for-rapid-corporate-breacheshttps://runtimerebel.com/blog/kongtuke-exploits-microsoft-teams-for-rapid-corporate-breachesInitial access broker KongTuke leverages Microsoft Teams to deploy DarkGate malware, achieving network persistence in under five minutes via social engineering.Thu, 14 May 2026 12:45:59 GMTKongTukeMicrosoft TeamsDarkGateInitial AccessStorm 0324https://runtimerebel.com/blog/neutralizing-patient-zero-strategies-to-prevent-stealth-breacheshttps://runtimerebel.com/blog/neutralizing-patient-zero-strategies-to-prevent-stealth-breachesAnalyze how AI-driven social engineering creates a Patient Zero scenario and explore technical strategies to contain stealth breaches before total shutdown.Thu, 07 May 2026 16:39:36 GMTPhishingInitial AccessLateral MovementIncident ResponseSocial Engineeringhttps://runtimerebel.com/blog/malicious-pdf-files-analyzing-acroform-javascript-for-initial-accesshttps://runtimerebel.com/blog/malicious-pdf-files-analyzing-acroform-javascript-for-initial-accessSecurity analysts have identified malicious PDF files utilizing AcroForm dictionaries to execute JavaScript and fetch remote payloads from external servers.Mon, 04 May 2026 05:14:53 GMTPDF MalwareAcroFormJavaScriptInitial AccessAdobe Readerhttps://runtimerebel.com/blog/defending-against-identity-based-attacks-and-stolen-credentialshttps://runtimerebel.com/blog/defending-against-identity-based-attacks-and-stolen-credentialsIdentity-based attacks use stolen credentials to bypass security. Learn why these attacks are the primary entry point and how to mitigate the risk.Tue, 21 Apr 2026 12:30:18 GMTIdentity Based AttacksCredential StuffingPhishingInitial Accesshttps://runtimerebel.com/blog/pdf-javascript-exploitation-analysis-of-powershell-deliveryhttps://runtimerebel.com/blog/pdf-javascript-exploitation-analysis-of-powershell-deliveryTechnical analysis of malicious PDF documents using embedded JavaScript and /OpenAction triggers to execute PowerShell for initial access and C2 establishment.Fri, 17 Apr 2026 08:45:08 GMTPDF MalwareJavascript ObfuscationPowerShell ExecutionInitial Accesshttps://runtimerebel.com/blog/clickfix-social-engineering-clusters-target-windows-and-macos-systemshttps://runtimerebel.com/blog/clickfix-social-engineering-clusters-target-windows-and-macos-systemsInsikt Group identifies five ClickFix clusters using obfuscated commands to exploit native system tools via fake browser error overlays on Windows and macOS.Wed, 25 Mar 2026 12:25:41 GMTClickFixSocial EngineeringmacOS SecurityPowershell ObfuscationInitial Accesshttps://runtimerebel.com/blog/u-s-sentences-yanluowang-ransomware-facilitator-aleksei-volkovhttps://runtimerebel.com/blog/u-s-sentences-yanluowang-ransomware-facilitator-aleksei-volkovRussian national Aleksei Volkov sentenced to 81 months for facilitating Yanluowang ransomware attacks, causing $9M in damages to U.S. organizations.Tue, 24 Mar 2026 08:20:40 GMTYanluowangRansomwareAleksei Olegovich VolkovCybercrime SentencingInitial Access