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Daily information security news with a focus on enterprise security.

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Critical Microsoft Entra ID vulnerability exploited in the wild (CVE-2026-69836)

Microsoft has patched a critical remote code execution vulnerability (CVE-2026-69836) in Entra ID, reportedly exploited in the wild. Entra ID is Microsoft’s cloud identity service, formerly Azure Active Directory, that verifies logins and controls access to Microsoft 365, Azure, and connected third-party apps. Tracked as CVE-2026-69836, with the maximum CVSS score of 10.0, the vulnerability was…

Attackers impersonate popular AI brands to spread malware

Attackers are impersonating popular AI brands like Perplexity, Claude, ChatGPT, and Copilot to spread information stealers, backdoors, malicious browser extensions, and other malware, according to Sophos. Overview of MDR cases with AI involvement (Source: Sophos) Sophos X-Ops reviewed 12 months of managed detection and response cases, covering July 2, 2025 through June 29, 2026. Of 86 cases…

Citrix urges customers to fix critical NetScaler authentication bypass (CVE-2026-19490)

Citrix has patched two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical authentication bypass flaw tracked as CVE-2026-19490, and is urging customers to upgrade affected appliances as soon as possible. “We strongly recommend that customers review the official NetScaler ADC and NetScaler Gateway security bulletin, assess whether their deployments are affected, and…

GitLab 19.3 helps enterprises scale agentic development securely

GitLab has announced updates that give enterprises more control as they scale agentic software development. GitLab Dedicated customers, who already run their most sensitive software delivery workloads on GitLab, can now run GitLab Duo Agent Platform inside that same single tenant environment and region, connect their own models for inference, and keep AI-processed data inside their existing…

A $25 template helped scammers build hundreds of phantom bank domains

A phrase on a suspicious website turned into an investigation of phantom banks built to support scams, according to new research from Allure Security. Molly DeQuattro, the company’s VP of Operations, was reviewing a domain that resembled the brand of one of its financial services clients. The page carried none of that client’s branding. It presented an unrelated bank instead. One phrase caught her…

Nearly half of enterprises have no one leading PQC migration

Enterprises believe they are prepared for the security challenges posed by quantum computing, but gaps in ownership, testing and visibility could complicate their transition to post-quantum cryptography (PQC), according to new research from Axiad. Who owns PQC migration? (Source: Axiad) Organizations need to know where certificates, cryptographic keys and algorithms are used before they can plan a…

New infosec products of the week: August 21, 2026

Here’s a look at the most interesting products from the past week, featuring releases from F5 Networks, Intezer, Netscout, and Tufin. NETSCOUT expands Adaptive DDoS Protection with outbound attack mitigation NETSCOUT has announced an extension of its Adaptive DDoS Protection (ADP) solution enabling service providers to automatically detect and mitigate outbound DDoS attack traffic. By extending…

Corero brings cloud-based AI threat analysis to SmartWall ONE

Corero Network Security has announced AI-Augmented Cloud-Assist for SmartWall ONE, extending its automated DDoS protection with cloud-delivered AI analysis, threat intelligence, and policy optimization. As cybercriminals increasingly leverage AI to develop and evolve attack campaigns, defenders must respond with equal speed and precision. Cloud-based AI analysis enables Corero’s DoS/DDoS solutions…

AWS limits AI agents’ data access, even when manipulated

AWS has detailed an approach for propagating user authorization context through AI agents, allowing access controls to be enforced by infrastructure and downstream services rather than relying on the agent itself. Customers using Amazon Bedrock AgentCore can build AI agents that pull information from Amazon DynamoDB tables, document repositories, SaaS platforms, and internal knowledge bases to…

Fake Gemini installer delivers Vidar infostealer via Google Colab lure

A malicious executable masquerading as a Google Gemini installer was used to deliver the Vidar infostealer on a company network in the EMEA region, according to Darktrace researchers who investigated the incident. “During the initial analysis, it was noted that the top search result for the suspicious filename associated pointed to a file hosted on Google Colab, a cloud-based Jupyter notebook…

OpenAI previews privacy-focused system for detecting AI misuse

OpenAI is previewing Private Safety Processing with early customers seeking greater certainty about how their data will be protected as AI systems become more capable. The system identifies patterns across related interactions while restricting OpenAI personnel from accessing the underlying content. The company plans to start rolling it out and publish a technical white paper in September. “No AI…

US agencies warn of AI-powered attacks on Siemens industrial controllers

Threat actors are using AI to write exploit scripts targeting internet-exposed Siemens S7 Series programmable logic controllers (PLCs) used across water, energy, manufacturing, and other critical infrastructure sectors, according to US federal agencies. PLCs are the small industrial computers that open valves, run pumps, and control machinery in factories, water plants, and power stations. The…

Tufin expands Unified Control Plane with AI intelligence and multi-vendor automation

Tufin has announced the availability of Tufin Orchestration Suite (TOS) 5.3, helping enterprises further simplify security operations and maintain consistent control across increasingly complex multi-vendor, hybrid environments. As enterprise security environments continue to expand across cloud, firewalls, SASE, SD-WAN, microsegmentation, and distributed infrastructure, organizations increasingly…

US charges 17 Iranian hackers over 31-terabyte academic data theft

The U.S. has charged 17 alleged members of Mabna Institute, an Iranian hacking-for-hire company accused of running a years-long campaign that stole data from American universities, companies, and government agencies. The post US charges 17 Iranian hackers over 31-terabyte academic data theft appeared first on Help Net Security .

AI is making fraud harder to spot and identity harder to prove

Online fraud has become a routine concern for consumers and businesses that rely on digital accounts, payments and customer service. Experian’s 2026 U.S. Identity & Fraud Report describes a market where scams extend across messages, websites, documents, voices, images and account activity. Security measures that make consumers feel most secure (Source: Experian) Deception spreads across digital…

Researchers find a loophole that lets expired credit cards make unauthorized payments

A team from the University of Massachusetts Amherst has shown that a contactless credit card keeps working past its printed expiration date, even after the cardholder gets a replacement. They named it the Zombie Card attack and presented the findings at USENIX Security 2026. The question behind the loophole “This work is motivated by documented patterns of improper expired card handling. Although…

8,539 reasons to rethink how vulnerabilities get patched

The window for responding to newly disclosed security flaws is getting shorter. Exploit code can appear quickly, exploitability can be tested soon after disclosure, and organizations have a growing number of weaknesses to sort through. Rapid7’s Q2 2026 Threat Landscape Report counted 8,539 high- and critical-severity vulnerability disclosures, twice the number recorded a year earlier. Source:…

Intezer adds native response automation without separate SOAR

Intezer has announced Workflows, a native automation and response builder that enables security teams to create and customize response workflows directly inside the Intezer platform. Workflows brings response into the same platform where alerts are triaged and investigated, allowing organizations to automate post-investigation actions without maintaining a separate Security Orchestration,…

Medusa ransomware gang has hit over 500 organizations, CISA warns

Medusa ransomware has breached more than 500 organizations since it first appeared in June 2021, the FBI, CISA, and the Department of Health and Human Services (HHS) said in an updated joint advisory. The update builds on an advisory first issued in March 2025 and draws on FBI investigations conducted as late as April 2026. “Medusa developers and affiliates have impacted over 500 victims from a…

Brinqa acquires PlexTrac to bring validated remediation to exposure management

Brinqa has announced its acquisition of PlexTra, adding the ability to verify that remediation efforts have actually worked. The combined capabilities uniquely position Brinqa to identify and prioritize the exposures that matter most, drive remediation, and validate that fixes hold, closing the CTEM loop. “We’ve spent over a decade building the platform enterprise security teams trust to…

Google’s AI security agents found 100+ critical software vulnerabilities in just two days

Google’s Mandiant has disclosed the workings of an internal tool that uses chains of AI agents to hunt for vulnerabilities in source code, saying it found over 100 verified, high-severity flaws in just two days during a live investigation into stolen corporate repositories. The tool, called the Agentic Vulnerability Discovery Harness (AVDH), has been running inside Mandiant for ten months. In that…

OpenAI puts major frontier AI training run on hold over cyber risks

OpenAI temporarily paused reinforcement learning (RL) training on its latest models intended for deployment for two weeks while it hardened and red-teamed research environments and expanded monitoring. “Our largest planned frontier RL run remains on hold while we conduct smaller-scale training and evaluations to assess model behavior, validate our safeguards, and establish more evidence of…

Cyberattack forces UT San Antonio to delay start of fall semester

The University of Texas at San Antonio pushed back the start of its fall semester by three days after a cyberattack targeted its academic network over the weekend. Classes that were due to begin on Wednesday, August 19 will now start on Monday, August 24. UT San Antonio is one of the largest universities in Texas, serving more than 42,000 students. According to a statement issued by Andrea Marks,…

F5 enhances AI Gateway to control AI costs, access, and security

F5 has introduced enhancements to the F5 AI Gateway and integrated the solution into the F5 AI Security Platform. The enhanced F5 AI Gateway seamlessly enforces policies on every AI request, giving enterprises a unified control plane to govern how AI models, agents, and tools are accessed and used, while optimizing the economics of AI at scale. The F5 AI Guardrails dashboard (Source: F5)…

Banks look for fraud signals in customer behavior

Banks are dealing with more fraud in which customers authorize payments after being manipulated by criminals. ThreatMark’s Fraud Readiness Benchmark 2026 describes a banking environment where social engineering, reimbursement requirements and growing case volumes are changing fraud operations. Social engineering moves the risk into the customer interaction Fifty-five percent of institutions…

ChatGPT’s new feature could give infostealers a map of your Mac activity

OpenAI’s new Computer History feature turns recent Mac computer activity into memories ChatGPT and Codex can use, and it’s raising questions about privacy and security along the way. Computer History (Source: OpenAI) What Computer History does Computer History builds a timeline out of everyday computer use, grouping activity into summaries and noting which apps and websites contributed to each…

NETSCOUT expands Adaptive DDoS Protection with outbound attack mitigation

NETSCOUT has announced an extension of its Adaptive DDoS Protection (ADP) solution enabling service providers to automatically detect and mitigate outbound DDoS attack traffic. By extending protection from the attack target towards its source, NETSCOUT helps operators prevent compromised subscriber devices from disrupting their own networks, consuming costly capacity and attacking customers and…

Download: 2026 Credential Risk Report

85% of cybersecurity professionals consider compromised credentials a primary attack path, yet only 19% continuously monitor active credentials and automatically remediate exposure. The 2026 Credential Risk Report examines where credential security programs fall short and what it takes to move toward Continuous Credential Defense. Learn: Where gaps remain across credential detection, monitoring,…

France’s tax authority admits hackers made off with data on 678,000 individuals

France’s tax authority has disclosed a data breach after an attacker accessed the General Directorate of Public Finances (DGFiP) systems, saying the intrusion exposed data on 678,000 individuals and professionals. The incident came to light after an alleged attacker using the alias “ZeroBytes” took credit on a cybercrime forum and listed a stolen database for sale. ZeroBytes said the compromised…

Fortinet expands AI security portfolio with Virtue AI acquisition

Fortinet has acquired Virtue AI, strengthening its broader Security for AI strategy and its vision for securing the agentic enterprise. The acquisition builds on Fortinet’s existing AI security portfolio, which includes the FortiGate Hyperscale Firewall. As organizations deploy AI applications and autonomous agents, their attack surface expands beyond networks, users, endpoints, applications, and…

Attackers exploit patched macOS Screen Sharing flaw to deploy cryptominer

A recently patched security flaw in Apple macOS is being actively exploited by hackers to bypass authentication, gain root access, and install a cryptominer, the Netherlands’ National Cyber Security Centre (NCSC) warns. The vulnerability, tracked as CVE-2026-65400, , let attackers authenticate to macOS Screen Sharing without valid login credentials. Apple fixed the issue with updates to macOS…

SafePal breach affects 39,798 customers, data allegedly for sale

Cryptocurrency wallet maker SafePal disclosed a data breach that exposed order information for 39,798 customers, including names, email addresses, shipping addresses, phone numbers and purchase details. The company traced the exposure to an authorization flaw in a plug-in used for order tracking. Under certain conditions, the flaw let one customer view another customer’s order information. The…

Police bust cybercrime ring accused of stealing €30 million in four-day spree

German and Brazilian police dismantled an international bank fraud ring blamed for a €30 million cyberattack on a German financial institution, arresting four people in Brazil and pursuing three more suspects in Spain and Bulgaria. Brazilian police named the operation “Klonen.” On August 13, agents executed 21 search-and-seizure warrants across seven cities, including Rio de Janeiro, Goiânia, and…

Windows 11’s strongest security defenses can be bypassed without a screwdriver

Researchers from the University of Birmingham and Durham University have found a way to knock down some of the toughest protections in Windows 11 without physically opening or modifying the target machine. The attack assumes the attacker has already gained privileged access to the system. A chip that never checks who’s asking The attack, named “Download More RAM,” targets a small configuration…

Hazmat: Open-source containment for AI agents

Hazmat is an open-source tool that runs AI coding agents inside a separate account on your own machine. It wraps the harnesses people use: Claude Code, Codex, OpenCode, Cursor Agent, and several more, plus any script you write yourself. An agent launched the ordinary way runs as you, which means it can read anything you can read. That includes SSH keys, cloud credentials, and the pile of…

Product showcase: ScamNet looks for warning signs in suspicious calls and shady links

ScamNet: Anti-Scam Suite is a consumer security app from Synaptrex Technologies that helps users detect and block scams involving phone calls, text messages, websites, and other suspicious content. The app is available for iPhone, iPad, and Mac, with features varying by platform. Call protection is available on iPhone, while tools such as Visual Intelligence are supported on iPhone and iPad. The…

When companies get specific about AI, revenue growth looks different

Companies that provide specific evidence of how they use AI tend to record stronger revenue growth. Researchers at Carnegie Mellon University and Larridin examined a study universe of 564 companies across 12 industry sectors. Individual analyses used smaller samples depending on data availability. The data included 478 corporate 10-K filings, more than 30,000 classified job postings, financial…

Week in review: Salesforce and ServiceNow portals exposed for 17 months, exploited Metabase 0-day

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: GitHub Dependabot malware alerts now cover eight ecosystems GitHub has flagged npm malware since March 2026. Anyone pulling in a bad PyPI, Maven, RubyGems, NuGet, Go, crates.io, or PHP Composer package has had no such warning, because GitHub’s malware detection only ever watched one ecosystem. That…