A threat actor is leveraging a zero-day vulnerability (CVE-2025-53690) and an exposed sample ASP.NET machine key to breach internet-facing, on-premises deployments of several Sitecore solutions, Mandiant has revealed. About CVE-2025-53690 CVE-2025-53690 is a ViewState deserialization vulnerability that affects any version…
Tag: Help Net Security
New threat group uses custom tools to hijack search results
ESET Research has identified a new threat group called GhostRedirector. In June 2025, this group broke into at least 65 Windows servers, mostly in Brazil, Thailand, Vietnam, and the United States. Countries where GhostRedirector victims were detected (Source: ESET) GhostRedirector…
Cutting through CVE noise with real-world threat signals
CISOs are dealing with an overload of vulnerability data. Each year brings tens of thousands of new CVEs, yet only a small fraction ever become weaponized. Teams often fall back on CVSS scores, which label thousands of flaws as “high”…
Cato Networks acquires Aim Security to bring AI protection into SASE Cloud
Cato Networks acquired Aim Security to further enhance the Cato SASE Cloud Platform, supporting secure enterprise adoption of AI agents and both public and private AI applications. Cato has now exceeded $300 million in annual recurring revenue (ARR). The company…
DDoS attacks serve as instruments of political influence and disruption
In the first half of 2025, there were 8,062,971 DDoS attacks worldwide, with EMEA taking the brunt at 3.2 million attacks, according to Netscout. Peak attacks reached speeds of 3.12 Tbps and 1.5 Gpps. These attacks have moved beyond simple…
Attackers are turning Salesforce trust into their biggest weapon
Salesforce has become a major target for attackers in 2025, according to new WithSecure research into threats affecting customer relationship management (CRM) platforms. The report shows that malicious activity inside Salesforce environments rose sharply in the first quarter of this…
Veeam Software Appliance boosts data protection
Veeam Software announced its fully pre-built, pre-harden ed software appliance: the new Veeam Software Appliance. Built to give IT teams instant protection without complexity, the appliance eliminates the friction of manual setup, OS patching, and Windows licensing. Delivered as a…
Everfox HSV-T protects data transfer between classified and unclassified networks
Everfox launched High Speed Verifier-Turnkey (HSV-T). This hardware-enforced secure data transfer solution enhances digital collaboration and interoperability between allied nations, safeguarding mission-critical data transfers from high threat networks. Designed for tactical field deployments, HSV-T offers customizable, built-in threat removal capabilities…
Nucleus Insights turns CVE noise into an explainable threat signal
Nucleus Security introduced Nucleus Insights, AI-powered threat intelligence built to solve one of the most painful problems in vulnerability management: knowing which CVEs matter and why. Unlike traditional threat intelligence feeds made for SOCs and CTI teams, Nucleus Insights is…
Cloudflare confirms data breach linked to Salesloft Drift supply chain compromise
Cloudflare has also been affected by the Salesloft Drift breach, the US web infrastructure and security company confirmed on Tuesday, and the attackers got their hands on 104 Cloudflare API tokens. “We have identified no suspicious activity associated with those…
How gaming experience can help with a cybersecurity career
Many people might not think that playing video games could help build a career in cybersecurity. Yet the skills gained through gaming, even if they don’t seem relevant at first, can be useful in the field. An overlooked pool of…
BruteForceAI: Free AI-powered login brute force tool
BruteForceAI is a penetration testing tool that uses LLMs to improve the way brute-force attacks are carried out. Instead of relying on manual setup, the tool can analyze HTML content, detect login form selectors, and prepare the attack process automatically.…
Detecting danger: EASM in the modern security stack
In today’s complex threat environment, the challenge for security professionals isn’t just defeating threats – it’s finding your vulnerabilities in the first place. That’s where External Attack Surface Management (EASM) tools come in. EASM can identify the many weaknesses that…
Five habits of highly secure development teams
In this Help Net Security video, Brendon Collins, Principal Consultant at Optiv, explores how organizations can embed security and privacy into the software development lifecycle (SDLC) from the very start. He outlines five proactive principles, including default-deny architecture, privacy in…
AI will drive purchases this year, but not without questions
AI is moving into security operations, but CISOs are approaching it with a mix of optimism and realism. A new report from Arctic Wolf shows that most organizations are exploring or adopting AI-driven tools, yet many still see risks that…
Zscaler, Palo Alto Networks, SpyCloud among the affected by Salesloft breach
In the wake of last week’s revelation of a breach at Salesloft by a group tracked by Google as UNC6395, several companies – including Zscaler, Palo Alto Networks, PagerDuty, Tanium, and SpyCloud – have confirmed their Salesforce instances were accessed.…
Varonis acquires AI email security provider SlashNext
Varonis Systems acquired SlashNext, an AI-native email security provider. Their predictive AI sees through evasive tactics, removes threats from the inbox, and protects from multi-channel phishing attacks. Hackers are flooding users with social engineering attacks across email and tools like…
Can AI agents catch what your SOC misses?
A new research project called NetMoniAI shows how AI agents might reshape network monitoring and security. Developed by a team at Texas Tech University, the framework brings together two ideas: distributed monitoring at the edge and AI-driven analysis at the…
What the GitGuardian secrets sprawl report reveals about leaked credentials
In this Help Net Security video, Dwayne McDaniel, Senior Developer Advocate at GitGuardian, presents findings from The State of Secrets Sprawl 2025. McDaniel explains why generic secrets are especially difficult to detect, why private repositories pose an even greater risk,…
Complexity and AI put identity protection to the test
Identity has become a core pillar of cybersecurity strategy. Remote work, cloud-first adoption, and distributed supply chains have moved identity from “a tactical IT consideration to a strategic pillar of cybersecurity,” according to Cisco Duo’s 2025 State of Identity Security…