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Security-Portal.cz je internetový portál zaměřený na počítačovou bezpečnost, hacking, anonymitu, počítačové sítě, programování, šifrování, exploity, Linux a BSD systémy. Provozuje spoustu zajímavých služeb a podporuje příznivce v zajímavých projektech.
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A new variant of the Gafgyt botnet called C0XMO is targeting DD-WRT router firmware and can move to other device types with various CPU architectures. [...]
The Silent Ransom Group extortion gang is actively targeting U.S. law firms and professional services organizations in social engineering attacks that often lead to data theft within hours of initial contact, according to a new report by cybersecurity firm Mandiant. [...]
Hackers are actively exploiting a critical vulnerability (CVE-2026-3300) in the Everest Forms Pro plugin, which lets them take complete control of a WordPress website. [...]
OpenAI has begun rolling out a new Lockdown Mode to ChatGPT for eligible personal accounts to reduce the risk of data exfiltration arising from prompt injection attacks.
The feature is primarily designed for people and organizations that handle sensitive data and require stricter protection guarantees. Lockdown Mode is available to logged-in users across Free, Go, Plus, and Pro, and
OpenAI has begun rolling out a new Lockdown Mode to ChatGPT for eligible personal accounts to reduce the risk of data exfiltration arising from prompt injection attacks.
The feature is primarily designed for people and organizations that handle sensitive data and require stricter protection guarantees. Lockdown Mode is available to logged-in users across Free, Go, Plus, and Pro, and Ravie Lakshmananhttp://www.blogger.com/profile/ [email protected]
A researcher has reverse-engineered the iOS SDK that Bright Data embeds in consumer apps and documented how it turns devices, including always-on smart TVs, into exit nodes that relay web-scraping traffic for a data business Bright Data markets heavily to the AI industry.
The company, the successor to Luminati, operates what it calls the largest residential proxy network in the world,
A researcher has reverse-engineered the iOS SDK that Bright Data embeds in consumer apps and documented how it turns devices, including always-on smart TVs, into exit nodes that relay web-scraping traffic for a data business Bright Data markets heavily to the AI industry.
The company, the successor to Luminati, operates what it calls the largest residential proxy network in the world, Swati Khandelwalhttp://www.blogger.com/profile/ [email protected]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a high-severity security flaw impacting SolarWinds Serv-U multi-protocol file server software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.
The vulnerability, tracked as CVE-2026-28318 (CVSS score: 7.5), is a denial-of-service (DoS) bug that causes the service to crash
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a high-severity security flaw impacting SolarWinds Serv-U multi-protocol file server software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.
The vulnerability, tracked as CVE-2026-28318 (CVSS score: 7.5), is a denial-of-service (DoS) bug that causes the service to crash Ravie Lakshmananhttp://www.blogger.com/profile/ [email protected]
Two things landed within days of each other this week. A security startup reported 21 previously unknown vulnerabilities in FFmpeg, the media library inside almost everything that touches video, all of them found by an autonomous AI agent.
The same week, Google shipped Chrome 149 with patches for 429 security bugs, the most ever in a single release.
Only the FFmpeg bugs were found by AI.
Two things landed within days of each other this week. A security startup reported 21 previously unknown vulnerabilities in FFmpeg, the media library inside almost everything that touches video, all of them found by an autonomous AI agent.
The same week, Google shipped Chrome 149 with patches for 429 security bugs, the most ever in a single release.
Only the FFmpeg bugs were found by AI. Swati Khandelwalhttp://www.blogger.com/profile/ [email protected]
Microsoft's GitHub repositories have become the latest to fall victim to the ongoing Miasma self-replicating supply chain attack campaign.
The incident impacted 73 Microsoft repositories across four of its GitHub organizations, including Azure, Azure-Samples, Microsoft, and MicrosoftDocs, per OpenSourceMalware. The development has GitHub to disable access to those repositories.
"Access to this
Microsoft's GitHub repositories have become the latest to fall victim to the ongoing Miasma self-replicating supply chain attack campaign.
The incident impacted 73 Microsoft repositories across four of its GitHub organizations, including Azure, Azure-Samples, Microsoft, and MicrosoftDocs, per OpenSourceMalware. The development has GitHub to disable access to those repositories.
"Access to thisRavie Lakshmananhttp://www.blogger.com/profile/ [email protected]
Cisco has warned that a high-severity security flaw impacting Catalyst SD-WAN Manager has come under active exploitation.
The vulnerability, tracked as CVE-2026-20245, carries a CVSS score of 7.8 out of a maximum of 10.0. It affects the following deployment types -
On-Prem Deployment
Cisco SD-WAN Cloud-Pro
Cisco SD-WAN Cloud (Cisco Managed)
Cisco SD-WAN for Government (FedRAMP)
"A
Cisco has warned that a high-severity security flaw impacting Catalyst SD-WAN Manager has come under active exploitation.
The vulnerability, tracked as CVE-2026-20245, carries a CVSS score of 7.8 out of a maximum of 10.0. It affects the following deployment types -
On-Prem Deployment
Cisco SD-WAN Cloud-Pro
Cisco SD-WAN Cloud (Cisco Managed)
Cisco SD-WAN for Government (FedRAMP)
"A Ravie Lakshmananhttp://www.blogger.com/profile/ [email protected]
Tech giant Toshiba and mega-retailer Muji warned visitors that suspicious sign-in screens popping up on their websites could collect credentials. [...]
Operating system makers take many steps to prevent their wares from accepting commands from remote devices. The safeguards, designed to thwart malicious attacks, typically require hackers to jump through all kinds of hoops to bypass the measures. But what if remote code execution were as simple as being within Bluetooth range of a speaker connected to the targeted device?
It turns out it can, at least when the speaker is a Sound Blaster Katana V2X sold by Singapore-based Creative Technologies. The speaker, which sells for $283, is widely acclaimed with numerous reviews showering praise on the sound and performance of it and its predecessor, the Sound Blaster V2.
A PC-pwning proxy
Researcher Rasmus Moorats stumbled on the hack by accident, after he purchased a Katana V2X, a soundbar that connects to PCs, Macs, and Linux devices over USB or Bluetooth. Moorats was curious if he could create a Linux tool that communicated with his speaker. He discovered he could do so through CTP, a proprietary mechanism he guesses is short for Creative Transport Protocol. Read full article
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CISA warned today that hackers are now actively exploiting a recently patched high-severity SolarWinds Serv-U flaw to crash servers. [...]
A Chinese espionage group tracked as UNC5221 has been accessing Microsoft 365 environments using the Brickstorm backdoor and previously undocumented malware named Plenet and AgentPSD. [...]
Multiple software supply chain attacks have hit the npm ecosystem, with threat actors using both malicious and poisoned versions of over 50 legitimate packages to distribute a Rust-based information stealer and a self-spreading worm, respectively.
According to JFrog, the information stealer "scrapes every secret it can find on a developer's machine, hides behind an eBPF kernel rootkit, and
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