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Jul 2026
AI Double Agent: Claude Just Got a New Voice
How we went from a compromised Claude account to remote code execution on a victim’s...
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“Pentera makes it easier to focus on what is truly exploitable instead of chasing long vulnerability lists.”
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Rubén Alonso | Head of Secure
Development Unit, Telefonica

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“I don’t think we’d be able to advance our red team without Pentera. If you’re looking to improve penetration testing, I would definitely recommend it.”

Owen Fuller | Cybersecurity Engineering
Manager, Casey’s

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Blog
Same Field, Same Players, But the Game Has Changed
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Blog
Five Eyes warned AI will upend cybersecurity in months. The same afternoon, OpenAI showed why.
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1/3
Correcting Common Firewall Misconfigurations
Pentera Team
24 Feb 2022
Misconfigurations are dangerous because they often hide in plain sight, outside the scope of traditional vulnerability scans. Something as simple as an unfiltered closed port or an overly broad whitelist can give attackers a path to command execution or credential theft. That is why organizations need continuous validation to uncover...
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Breaking the barriers of segmentation
Pentera Team
06 Feb 2022
Network segmentation is important, but it should never be mistaken for an impenetrable boundary. Attackers can abuse tunneling techniques and trusted connectivity to flatten segments and move laterally in ways many teams do not anticipate. That is why segmentation must be continuously validated, not just designed and assumed to work.
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Identifying and Mitigating the PwnKit Vulnerability
Pentera Team
02 Feb 2022
PwnKit is a reminder that severity scores alone do not tell you what to fix first. The real question is whether a vulnerability can be chained into meaningful business impact in your environment. Security teams need to validate exploitability and prioritize remediation based on proven exposure, not patch everything blindly.
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Mitigating Log4Shell Exploitation
Pentera Team
14 Dec 2021
Log4Shell showed how a single flaw in a widely used component can create massive exposure across applications, protocols, and environments. The real challenge is not just finding vulnerable instances, but understanding how attackers can exploit them and what business impact that creates. Security teams need continuous validation to prioritize remediation...
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From DHCP Spoofing to EternalBlue: Security Insights
Yuval Lazar
10 Nov 2021
DHCP spoofing can quietly expose hosts to credential theft and lateral movement. By abusing NetBIOS settings, attackers can open risky paths many teams overlook. Strong internal validation helps catch and reduce that exposure.
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Preventing DHCP Spoofing Attacks
Yuval Lazar
03 Nov 2021
DHCP spoofing is dangerous because it abuses a trusted network service to quietly redirect traffic, intercept requests, and force authentication. Once attackers control DHCP responses, they can turn routine network behavior into a path for credential harvesting and man-in-the-middle attacks. That is why validating internal network controls and implementing protections...
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Understanding VMware vCenter Privilege Escalation
Yuval Lazar
30 Sep 2021
Privilege escalation flaws in platforms like vCenter are especially dangerous because they can turn limited access into full control over critical infrastructure. In this case, a low-privileged foothold could be escalated into root access on a system that manages some of the organization’s most sensitive assets. That is why rapid...
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Exploring the PrintNightmare Vulnerability
Pentera Team
09 Sep 2021
PrintNightmare showed how a common Windows service can become a high-impact attack path when exploited for remote code execution and privilege escalation. The real challenge was never just patching—it was understanding where the vulnerability could actually lead inside the environment. Security teams need continuous validation to prioritize exposure based on...
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Understanding Top Exploited Vulnerabilities
Pentera Team
06 Aug 2021
Attackers do not need zero-days to create impact. Known vulnerabilities and common weaknesses are often enough. Security teams need to prioritize what is truly exploitable.
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Welcome to Pentera’s Next Phase of Security
Amitai Ratzon
16 Jun 2021
Security teams cannot outspend today’s threat landscape with more tools alone. What matters is continuously validating defenses against real attacker behavior so organizations can reduce exposure and build resilience with confidence.
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Must-Have Features for Security Validation Tools
Pentera Team
25 Apr 2021
Security validation only works if it is continuous, adversarial, and tied to real business risk. The right platform helps teams validate faster, prioritize smarter, and retest with confidence.
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Password Security Tips: How to Create a Stronger Password
Aviv Cohen
22 Jan 2021
Weak and reused passwords still give attackers one of the easiest paths into an organization. Strong password hygiene, MFA, and continuous validation are essential to reducing that risk.
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