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Google’s $10,000 refund test shows why AI agents need zero trust

Google released an open-source zero-trust reference architecture for AI agents defending against prompt injection via signed database writes, gVisor sandboxing, and deterministic gating.

Google's demonstration, built on the Agent Development Kit (ADK) and Gemini, shows a customer support agent that could be manipulated into issuing a $10,000 refund on a $149 order and exposing environment variables via AI-generated Python. The architecture adds three security layers outside the model: cryptographic signatures on database writes verified via Cloud KMS backed by Cloud HSM, gVisor sandboxing of generated code with network egress disabled, and a Semantic Gateway applying deterministic checks to prompts and tool calls. It treats system prompts as insufficient boundaries because prompt injection, prompt tuning, or model updates can change agent behavior.

Help Net Security · Aug 18, 2026AI safety & security

CVE-2026-73334: Apache Parquet Hadoop: File-controlled KMS URL is forwarded to pluggable KmsClient that skips host validation

Apache Parquet Hadoop CVE-2026-73334: a file-controlled KMS URL reaches pluggable KmsClients without host validation in parquet-java 1.12 through 1.18.0.

Apache disclosed CVE-2026-73334, a moderate issue in the org.apache.parquet.crypto.keytools package of parquet-java, versions 1.12 through 1.18.0. The package implements envelope encryption that wraps data keys via a Key Management Service. A KMS URL controlled by the Parquet file is forwarded to a pluggable KmsClient that skips host validation, which could allow crafted files to redirect KMS requests.

oss-security · 8d agoVulnerabilityCVE-2026-733341

Google Cloud Targets 2027 for First Major Post-Quantum Security Milestone

Google Cloud set 2027 for its first major post-quantum cryptography milestone to counter store-now-decrypt-later risks, migrating through 2028.

Google Cloud announced a post-quantum cryptography roadmap targeting its first major security milestone in 2027. The plan aims to mitigate store-now-decrypt-later harvest risks, with wider migration goals extending through 2028. The roadmap affects cryptographic protections for Google Cloud services and customer migration planning timelines.

Infosecurity Magazine · Aug 13, 2026Industry

Unmasking Cloud Identities: From Behavioral Clustering to Automated Detection

Unit 42 clusters behavior of 40,000+ AWS identities from 125 cloud environments to map functional roles and enable lightweight SQL-based detection.

Palo Alto Unit 42 built an unsupervised behavioral clustering model using UMAP and HDBSCAN on AWS CloudTrail logs to map cloud identities to functional roles such as administrators, backup services, security tooling and DevOps. The study analyzed over 40,000 identities across 125 cloud environments over two months. The researchers show that heuristics extracted from the clustering map can be implemented in standard SQL, enabling role classification at scale without running a continuous ML pipeline. The methodology extends to audit logs from other cloud providers, SaaS and Kubernetes.

Palo Alto Unit 42 · 2d agoResearch

AWS Console Private Access can block sign-ins to personal accounts

AWS Console Private Access goes GA, letting internet-isolated VPCs reach the console fully over PrivateLink and blocking personal account sign-ins.

AWS Console Private Access became generally available on August 28, allowing the AWS Management Console, sign-in flows, static assets, and console-only APIs to run entirely over PrivateLink endpoints from VPCs with no internet connectivity. Deployment requires three interface endpoints per Region, correct Private DNS and security group settings, and uses aws:PrincipalOrgID policies plus sign-in resource control policies to deny authentication from unexpected networks, which blocks corporate-network users from signing into personal AWS accounts. IAM Identity Center sign-in and consoles for services without PrivateLink support still need internet access, and a misconfigured policy can lock out the whole organization, so AWS recommends an excluded break-glass role; CLI and SDK SigV4 requests bypass these policies and serve as a recovery path.

Help Net Security · 17d agoTools

Your Cloud Security Checklist Doesn't Work the Way You Think It Does

Intruder's 2026 Cloud Security Index found misconfiguration risk profiles differ sharply across AWS, Azure, and Google Cloud across 3,000 organizations.

Intruder analyzed misconfiguration data from 3,000 organizations across AWS, Azure, and Google Cloud for its 2026 Cloud Security Index. Weak IAM controls and missing logging affected 80-98% of accounts regardless of provider, while exposed services ranged from 76% on AWS to just 8% on Google Cloud. Top issues included S3 buckets without HTTPS enforcement (87% of AWS accounts), Entra ID users without MFA (55% of Azure accounts), and missing OS Login MFA (77% of Google Cloud accounts). Weak IAM prevalence rose with organization size, from 87% at SMEs to 98% at large enterprises, and midmarket organizations took the longest to remediate at 35 days on average.

The Hacker News · 9d agoResearch

Cloudflare DDoS Threat Report H1 2026: 1 Tbps attacks soar as DNS floods and geopolitical tensions drive a new wave

Cloudflare's H1 2026 report records a 519% surge in hyper-volumetric DDoS attacks, driven by DNS and CLDAP reflection amid geopolitical tensions.

Cloudflare detected a 519% surge in hyper-volumetric DDoS attacks across its network during the first half of 2026. Attack traffic was driven heavily by DNS and CLDAP reflection vectors, with 1 Tbps attacks becoming far more common. The report attributes reshaped attack patterns to major geopolitical conflicts.

Cloudflare Blog · Aug 11, 2026Research

Microsoft named a Leader in the Frost Radar™: Cloud Workload Protection Platforms, 2026

Microsoft was named a leader in the 2026 Frost Radar for Cloud Workload Protection Platforms, cited for Defender for Cloud runtime security.

The 2026 Frost Radar for Cloud Workload Protection Platforms placed Microsoft in its leadership tier, calling the company a visionary leader. Microsoft attributes the recognition to unified runtime security delivered through Microsoft Defender for Cloud. The post is vendor marketing with no incident, vulnerability, or technical detail.

Microsoft Security Blog · 28d agoIndustry3

The State of Cloud Risk 2026: Most Security Findings Aren’t Real Attacker Opportunities

Wiz Research's 2026 cloud risk report finds most high-severity findings lack a viable path to compromise, urging exposure-based prioritization.

Wiz Research telemetry underpins a State of Cloud Risk 2026 report arguing that the majority of high-severity security findings are not real attacker opportunities because they lack a path to compromise. The report pushes defenders to prioritize findings by exposure and exploitability rather than raw severity scores. No specific CVEs, victims, or incident counts are provided in the available text.

Wiz Blog · 21d agoResearch

Automatic Key Exchange: faster, post-quantum secure origin handshakes for 45 billion daily connections (and counting)

Cloudflare's Automatic Key Exchange probes origins to lead with preferred key exchange, cutting HelloRetryRequests from 52% to 3.7% and enabling automatic post-quantum origin connections.

Cloudflare announced Automatic Key Exchange, an extension of Automatic SSL/TLS that probes each origin's supported key agreement algorithms and leads with the preferred one, favoring the post-quantum hybrid X25519MLKEM768. Rollover across roughly 45 billion daily origin connections cut HelloRetryRequests from about 52% to 3.7%, saving more than 150 ms of p90 handshake latency. Hundreds of thousands of domains now receive post-quantum origin connections without manual configuration, supporting Cloudflare's goal of quantum-safe encryption by 2029 to counter harvest-now-decrypt-later attacks.

Cloudflare Blog · 8d agoResearch

Attack Paths Into VMs in the Cloud

Unit 42 maps attack paths into AWS, Azure, and GCP VMs through intended features like startup scripts and SSH key pushes.

Palo Alto Unit 42 reviewed attack vectors against virtual machine services on AWS, Azure, and GCP, finding that 11% of internet-exposed cloud hosts carry Critical or High severity vulnerabilities. The attack paths rely on legitimate features such as EC2 User Data, VM custom data, EC2 Instance Connect, SSM Run Command, and serial consoles rather than vulnerabilities, and exploiting them requires attackers to first obtain control plane permissions. A compromised VM exposes not only its data but the workload identity and cloud permissions assigned to it, making identity compromise potentially more damaging than data theft. The firm places mitigation responsibility on cloud users and administrators.

Palo Alto Unit 42 · Aug 17, 2026Research1

Cybersecurity jobs available right now: February 10, 2026

Help Net Security's roundup lists open cybersecurity roles at KPMG, Pentera, Google, Group-IB and others across multiple countries.

A job-board roundup featuring Cloud Security Engineer at KPMG (Israel), Cloud Security Researcher at Pentera (Israel), Cyber Defence Senior Analyst at Google (UK), and Cyber Investigation Specialist at Group-IB (UAE). Additional listings cover SOC operations, penetration testing, network architecture, OT/IT convergence and AI/ML security testing across Australia, Italy, the US, India, France, Ireland and the UAE. All listings are marked no longer accepting applications.

Help Net Security · 21d agoIndustry

When scanners miss the attack: how Cloudflare Client-Side Security protects storefronts

Cloudflare's Page Shield ML uncovered four malicious JavaScript campaigns on storefronts, including affiliate fraud and a remote-backdoor script, that VirusTotal and URLScan missed.

Cloudflare's Page Shield ML detected four client-side JavaScript operations (eight payloads) in live traffic on online storefronts, enabling affiliate commission hijacking, clickless affiliate theft via hidden iframes, user tracking with a remote-code backdoor, and cloaking of paid mobile visitors. Seven of the eight payloads were absent from VirusTotal and URLScan returned no malicious verdict for any, including a Lnkr-family payload indexed unclassified for roughly 2.5 years. Detection relies on a graph neural network over JavaScript syntax trees, an LLM second opinion on Workers AI, and a frontier-model ensemble voting across benign, magecart, other malware, and cryptomining labels.

Cloudflare Blog · 9h agoMalware in the wild

Top 10 Best AWS Security Tools in 2026

Editorial roundup ranking the ten best AWS security tools of 2026, from native GuardDuty and Security Hub to CNAPPs like Wiz and Prisma Cloud.

The article recommends enabling AWS-native services first: GuardDuty for threat detection, Security Hub for posture aggregation, the free IAM Access Analyzer, plus CloudTrail logging and Config rules. It then reviews third-party platforms including Wiz, Palo Alto Prisma Cloud, CrowdStrike Falcon Cloud Security, Trend Micro Cloud One, and Orca Security. It is an editorial vendor assessment with pricing described by model only, highlighting cross-account correlation and attack-path prioritization as third-party differentiators.

Cyber Security News · 19h agoTools

Researchers Uncover Thousands of Leaked AWS Keys

Truffle Security researchers discovered more than 9,000 publicly accessible and active AWS key pairs, creating credential exposure and account-takeover risks.

Truffle Security reported finding over 9,000 AWS key pairs that are simultaneously publicly accessible and active. Anyone retrieving such keys could potentially access the associated cloud resources without authentication. The finding underscores widespread secrets-hygiene failures in cloud environments and the risks of long-lived static credentials.

Infosecurity Magazine · 23d agoResearch

Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak models

Cloudflare launches invitation-only Vulnerability Discovery and Remediation within Managed Defense, using OpenAI Daybreak models and WAF context to prioritize and patch vulnerabilities.

Cloudflare announced early access to Vulnerability Discovery and Remediation, an invitation-only service within Cloudflare Managed Defense. The service uses OpenAI Daybreak models, including GPT-5.6 Cyber, via the Daybreak Defense Network to hunt and validate vulnerabilities in customer-authorized codebases across Workers and proxied applications. Findings are prioritized using production traffic, WAF rule, and security event context, and proposed patches and WAF mitigations are automatically checked before customer review.

Cloudflare Blog · 13d agoTools

Top 10 Best Cloud Security Posture Management (CSPM) Tools in 2026

2026 CSPM comparison ranks Wiz atop cloud posture tools and recaps Google's pending roughly $32 billion acquisition of Wiz.

An editorial guide rates ten cloud security posture management (CSPM) tools, with Wiz ranked first for agentless visibility and attack-path context, Microsoft Defender for Cloud highlighted for Azure-centric economics, and Palo Alto Prisma Cloud noted for the broadest code-to-cloud module set. The article's biggest market note is Google's agreement to acquire Wiz for approximately $32 billion, described as the largest deal in security history, still progressing through regulatory review. It advises buyers to include roadmap-protection language in multi-year commitments and to press on multicloud neutrality post-close.

Cyber Security News · 5d agoIndustry

Cloud Delivered Security Services

Palo Alto Networks Unit 42 hosts a product archive page for its Cloud-Delivered Security Services subscription portfolio.

The page is a product category archive on the Unit 42 blog with no article text available. Cloud-Delivered Security Services is Palo Alto Networks' bundle of cloud-delivered network and threat prevention services. No research findings, incidents, or vulnerabilities are described.

Palo Alto Unit 42 · 8d agoIndustry

Daybreak models are now available on AWS

OpenAI makes Daybreak cybersecurity models available on AWS via Amazon Bedrock for enterprise security workflows.

OpenAI announced that its Daybreak models are now available on AWS through Amazon Bedrock. The move extends Daybreak's cybersecurity capabilities to enterprises running security workflows in the cloud.

OpenAI News · Aug 11, 2026AI industry

1.1.1.1 now supports post-quantum DNSSEC, all 2,420 bytes of it

Cloudflare's 1.1.1.1 resolver now validates post-quantum DNSSEC signatures using ML-DSA-44, a 2,420-byte NIST algorithm, preparing DNS for post-quantum migration by 2029.

Cloudflare enabled 1.1.1.1 to validate DNSSEC signatures using ML-DSA-44 (algorithm 18), a NIST-standardized post-quantum signature with 1,312-byte public keys and 2,420-byte signatures, roughly 38x larger than ECDSA P-256. The large signatures exceed common DNS-over-UDP limits, forcing fallback to TCP and creating downgrade risks while conventional algorithms must be published alongside. Cloudflare cites the risk of a quantum computer breaking RSA/ECDSA signatures by 2030 and plans full post-quantum security by 2029.

Cloudflare Blog · 6d agoTools1

TruffleHog AWS Analyze reduces remediation time on leaked AWS credentials

Truffle Security launched TruffleHog AWS Analyze, which maps leaked AWS keys' permissions and role assumptions; research found 88% of 64,024 leaked keys still active.

Truffle Security announced TruffleHog AWS Analyze, a TruffleHog Enterprise feature that enriches leaked AWS credentials with identity, effective permissions, and role-assumption context to help teams assess blast radius and prioritize remediation, extending earlier coverage of SaaS and Google Cloud to AWS. Truffle Security research on 64,024 unique leaked AWS keys found 88% still active, a median exposure of five years, only 14% rotated, 84% with full administrator access, and 1 in 6 being root keys, including 929 keys AWS had flagged via its compromised-key quarantine policy that still authenticated. A scan of 7.6 petabytes of public AI training data on Hugging Face found 3,343 live AWS keys, over 900 of which could list S3 buckets holding at least 51.7 TB of private data.

Help Net Security · 23d agoTools

A revisit of remote Spectre attacks on Cloudflare Workers

Cloudflare details its 2024-2025 reassessment of remote Spectre attacks on Workers, covering new attack primitives and hardened defenses.

Cloudflare reassessed the feasibility of remote Spectre attacks against its Workers serverless infrastructure across 2024 and 2025. The write-up describes new attack primitives including Spectre gadgets, remote timers, and techniques for achieving co-location with victim workloads. It also explains new defenses that further harden Cloudflare Workers against speculative-execution side channels.

Cloudflare Blog · 28d agoResearch

Weak IAM affects up to 98% of cloud environments

Intruder's 2026 Cloud Security Index finds weak IAM controls affect up to 98% of cloud environments across AWS, Azure, and Google Cloud.

Intruder's 2026 Cloud Security Index report analyzed cloud misconfigurations across midmarket and enterprise environments, finding weak IAM controls and missing logging affected 80% to 98% of accounts across all three major providers. AWS recorded the highest prevalence in five of six categories, including exposed services at 76% versus 8% on Google Cloud. IAM weaknesses worsen with scale, affecting 87% of SMEs, 95% of midmarket organizations, and 98% of large enterprises, while remediation times peak at 35 days for organizations with 1,000 to 5,000 employees.

Help Net Security · Aug 14, 2026Research

How Cloudflare detects MCP traffic and helps secure it

Cloudflare Gateway now detects Model Context Protocol traffic via protocol-level heuristics to expose shadow MCP usage and enforce approved-server access.

Cloudflare Gateway identifies Model Context Protocol (MCP) requests using protocol-level heuristics. Security teams can use the signal to discover shadow MCP traffic on managed networks, enforce Portal-only access for approved MCP servers, and block direct connections. The updates extend standard gateway and zero-trust controls to AI agent traffic.

Cloudflare Blog · Aug 14, 2026Tools

Nigeria Looks to Sovereign Cloud for Cyber, National Security

Nigeria launches financing, procurement, and infrastructure policies to build a sovereign cloud for cyber and national security.

Nigeria has introduced financing, procurement, and infrastructure policies to accelerate its sovereign cloud initiative. The program aims to keep government data under national control and expand domestic technical expertise. It is framed as part of a broader effort to strengthen cyber and national security capabilities in West Africa's largest economy.

Dark Reading · 21d agoPolicy & legal

Cortex Cloud Archives

Palo Alto Networks publishes a product category page for Cortex Cloud, an AI and automation platform for cloud and SOC workflows.

This item is a product category archive page for Palo Alto Networks' Cortex Cloud, describing it as an AI and automation-driven platform spanning code to cloud to SOC. The page contains no new research, incident, or product release details beyond marketing language about prioritizing risks and accelerating remediation.

Palo Alto Unit 42 · 27d agoIndustry

Cloudflare Workers Spectre Attack Leaks JWT From Co

Researchers demonstrated a remote Spectre attack leaking a JWT between co-located Cloudflare Workers at 12 bits per second, 360x the 2021 rate.

Security researchers showed a remote Spectre attack against Cloudflare Workers that leaked a JWT from a co-located Worker at up to 12 bits per second with 99.16% accuracy, 360 times the 2021 demonstration rate. The attack exploited weaknesses in DyPrIs dynamic process isolation, where long-lived Durable Object invocations could run before isolation and WebSocket-heavy I/O suppressed the branch-misprediction signal. Cloudflare deployed improved DyPrIs, the V8 Sandbox, and MPK-based in-process isolation, and found no indicators of active exploitation over three years.

The Hacker News · 28d agoVulnerability

BigBear phishing crew nets thousands of Microsoft 365 credentials

CloudSEC accessed the BigBear 2.0 phishing panel, finding 5,137 stolen Microsoft 365 records across 461 organizations, including 474 MFA-bypassed sessions.

CloudSEC researchers got inside the admin panel of BigBear 2.0, an Evilginx2-based phishing-as-a-service operation run by someone known as 'General Boss'. The panel contained 5,137 records tied to 461 organizations: 1,032 plaintext passwords and 4,148 session cookies, with 474 complete MFA-bypassed authentications. The adversary-in-the-middle proxy captures Microsoft 365 session cookies that can be replayed to access email, Teams, SharePoint, and OneDrive, potentially pivoting into Entra ID and federated SaaS. The operation was still active, used custom JavaScript to disable FIDO2/WebAuthn on phishing pages, and routed logins through a residential proxy pool spanning 69 countries.

The Register · Security · 8d agoPhishing & fraud in the wild1

日本のビジネスパーソンを対象としたWiz調査で 「AI導入加速」はクラウド移行を上回ることが明らかに

Wiz survey of Japanese business professionals finds AI adoption outranking cloud migration and 60% planning AI security investment.

A Wiz survey of Japanese business people found that accelerating AI adoption now outranks cloud migration as a priority. At the same time, more than 80% feel behind in preparing for AI-driven cyber-attacks, and 60% plan to invest in AI security. The findings highlight a preparedness gap as organizations adopt AI faster than they secure it.

Wiz Blog · 22d agoIndustry