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Cybersecurity news, analyzed for practitioners.

New vulnerabilities, actively exploited flaws, and attack campaigns, explained for the people who run the affected servers: who is exposed, how bad it is, and what to do today.

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Security news

The FBI seized NetNut's proxy network. Its two million compromised devices are still infected.

The FBI and Google seized the NetNut residential proxy network on July 2, but its two million compromised devices are still infected. Why IP reputation fails.

Security news

Scattered Spider keeps winning because your help desk, not a CVE, is the way in

An extradited Scattered Spider suspect breached a retailer in under three hours through a help-desk password reset. Here is the identity control that stops it.

Security news

Kemp LoadMaster's quote sanitizer became a pre-auth root RCE, exploited hours after the writeup dropped

Kemp LoadMaster's CVE-2026-8037 gives unauthenticated root through its API and is under active exploitation. Affected versions, the fix, and how to detect it.

Security news

The first AI-run ransomware locked a database with a key it never saved

The first ransomware attack run end to end by an AI agent broke in through a year-old Langflow flaw and encrypted a database with a key it never saved.

Security news

Cursor's AI agent trusted the content it read, and that content could switch off its sandbox

Two critical Cursor flaws, DuneSlide (CVE-2026-50548/50549, CVSS 9.8), let a poisoned MCP server or web result overwrite the sandbox binary and run code.

Security news

Puppet stored the passwords it was told to hide in cleartext on every managed node

CVE-2026-8804: Puppet's Resource API stopped honoring the sensitive flag, writing passwords in cleartext to each agent's state cache. Upgrade, then rotate.

Security news

Argo CD can be taken over from inside your cluster, and there is no patch to wait for

Argo CD's repo-server runs code for unauthenticated callers and can take over your Kubernetes cluster. No patch or CVE exists yet, so isolate and watch it now.

Security news

A rigged puzzle talked six AI browsers into leaking a developer's SSH keys. One patch won't save you.

A game-themed web page talked six AI browsers into leaking a developer's SSH keys. Why patching one vendor is not the fix, and what to watch instead.

Security news

Fake exploit code is delivering ChocoPoC, a stealer aimed at the researchers who run it

ChocoPoC hides a credential-stealing trojan inside fake CVE proof-of-concept repos, targeting the researchers and red teams who download and test them.

Explainers

How to Use Wazuh: A Practitioner's Guide to Agents, the Dashboard, and Detection

How to use Wazuh: install the server, enroll an agent, reach the dashboard, and write and test a detection rule with wazuh-logtest.

Security news

Microsoft said this SharePoint bug was unlikely to be exploited. CISA just proved it wrong.

Microsoft rated SharePoint's CVE-2026-45659 unlikely to be exploited. CISA added it to the KEV catalog on July 1 after active exploitation. Patch and hunt now.

Security news

Adobe's six max-severity ColdFusion flaws have no exploit yet, and that is the countdown

Adobe patched six unauthenticated CVSS 10.0 code-execution flaws in ColdFusion (bulletin APSB26-68).

Security news

MFA did not stop the Azure CLI password spray. A retired login flow is why.

A password spray beat Conditional Access at 64 organizations by abusing ROPC, a retired Azure login flow that never triggers an MFA prompt. What to fix now.

Security news

Citrix shipped six NetScaler fixes. One of them isn't done until you change a setting.

Citrix fixed six NetScaler flaws, including a pre-login memory leak and an HTTP/2 Bomb denial of service. One fix needs a config change, not just an upgrade.

Security news

Ransomware that runs inside your browser tab, where antivirus cannot see it

Check Point built browser-only ransomware from a DeepSeek AI output: a web page encrypts your files through a legitimate browser API, with no binary for

Security news

AI keeps inventing web addresses that do not exist. Attackers now buy them first.

Unit 42 found attackers registering the fake web domains AI models hallucinate, turning a chatbot's answer into a phishing and supply chain threat.

Security news

An old bash trick makes AI coding agents run the commands they just blocked

AI coding agent guardrails fall to GuardFall, a bash trick that bypassed the command safety check in 10 of 11 open-source agents Adversa AI tested.

Security news

119 browser extensions hid malware inside images and fonts for two years

Microsoft pulled 119 malicious Edge extensions in the StegoAd campaign. Steganographic payloads, 2.6 million installs, and a 2FA lesson for defenders.

Security news

Oracle E-Business Suite is under attack again, and the patch has been out since May

CVE-2026-46817, a CVSS 9.8 flaw in Oracle E-Business Suite Payments, is exploited weeks after Oracle's May patch. What to check and how to fix it now.

Security news

SimpleHelp CVE-2026-48558: Forged Login Drops Djinn Stealer

A maximum-severity SimpleHelp flaw, CVE-2026-48558, lets attackers forge a login and is now exploited to drop Djinn Stealer against cloud and AI keys.

Deep dive

The code was clean. The toolchain that shipped it was the attack.

This week's most serious compromises were not in application code but in the tools that build, ship, and assist it. The pattern, and what to do.

Security news

A crafted link can stall millions of Node apps, and the patch will not reach most of them

decode-uri-component, the npm decoder behind query-string and millions of apps, has a denial-of-service bug (CVE-2026-45822).

Security news

You don't have to install this npm malware. Opening the folder in your editor runs it.

Two hijacked npm packages skip the install step entirely. They run when you open the project in VS Code, then steal developer, browser, and wallet logins.

Security news

The repo is clean. Your AI coding agent is what hands the attacker a shell.

Mozilla's 0DIN made Claude Code open a reverse shell from a GitHub repo with no malicious code. Here is why scanners miss it and how to constrain the agent.

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