Cristian Luțic
Cristian Luțic is a cybersecurity professional and Editor-in-Chief of iSec.News, with experience in security enablement, risk analysis, and vulnerability reporting. As Editor-in-Chief, he is responsible for editorial standards, source verification, and publication oversight at iSec News.
From professional sports to cybersecurity, his career path may have been unconventional, but it has been driven by the same core values: discipline, perseverance, and a passion for doing meaningful, impactful work.
iSec.News Motto: “Only news, only information security and privacy news. No fluff.”
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Nikkei says Slack breach exposed personal information of more than 17,000 users
Nikkei said a Slack compromise exposed names, email addresses and chat histories for 17,368 people after attackers used credentials stolen from a malware-infected employee computer; the publisher voluntarily notified Japan’s data protection regulator and said no source-related material was affected.
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Critical authentication bypass in JobMonster WordPress theme exploited, users urged to patch
A critical authentication bypass (CVE-2025-5397) in the JobMonster WordPress theme is being actively targeted; Wordfence blocked multiple attempts. The flaw affects versions up to 4.8.1, requires social login to be enabled, and was fixed in version 4.8.2. Administrators should update or disable social login and enable two-factor authentication.
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Google AI agent Big Sleep credited with finding five WebKit bugs in Safari; Apple issues patches
Apple credited Google’s AI agent Big Sleep with finding five WebKit vulnerabilities affecting Safari that could cause crashes or memory corruption; Apple issued patches in iOS 26.1, macOS Tahoe 26.1, tvOS 26.1, watchOS 26.1, visionOS 26.1 and Safari 26.1 and urged users to update.
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Malicious Open VSX extension delivers SleepyDuck RAT and uses Ethereum contract for fallback control
Researchers warned that a malicious Open VSX extension, juan-bianco.solidity-vlang, installs a SleepyDuck remote access trojan that uses an Ethereum smart contract and a fallback RPC mechanism to update its command-and-control details.
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Microsoft finds SesameOp backdoor that uses OpenAI Assistants API for C2
Microsoft’s DART reported discovery of a custom .NET backdoor called SesameOp that uses the OpenAI Assistants API as a covert command-and-control channel; Microsoft shared its findings with OpenAI, which disabled a suspected API key, and the victim remains unnamed.
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Cybercriminals use RMM tools to target trucking firms, steal freight: Proofpoint
Proofpoint researchers say cybercriminals are compromising trucking and logistics firms with legitimate remote monitoring and management tools to harvest credentials, gain persistent access and fraudulently bid on or divert real shipments, with food and beverage cargo a frequent target.
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Researchers detail BankBot‑YNRK and DeliveryRAT Android trojans that steal credentials and payment data
Researchers say two Android trojans, BankBot‑YNRK and DeliveryRAT, have been observed harvesting credentials, payment and device data; reports from CYFIRMA and F6 detail targeted device checks, use of accessibility services, persistence mechanisms and distribution via fake apps and malware‑as‑a‑service.
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North Korea‑linked Kimsuky uses HttpTroy backdoor in spear‑phishing attack on South Korea
Security vendor Gen Digital said DPRK‑linked Kimsuky used a ZIP‑based spear‑phishing lure to deliver a three‑stage malware chain culminating in a new HttpTroy backdoor that provides extensive remote control and uses layered obfuscation.
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Europol urges coordinated EU response as caller ID spoofing drives phone and text fraud
Europol says caller ID spoofing is driving much of Europe’s phone and text fraud, estimating EUR 850 million in annual losses and calling for EU-wide technical standards, an international traceback system and aligned legal frameworks to improve cross-border investigations.
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Australia warns of ongoing BADCANDY attacks on unpatched Cisco IOS XE devices
The Australian Signals Directorate warned of ongoing attacks using a Lua-based web shell called BADCANDY that exploits CVE-2023-20198 in unpatched Cisco IOS XE devices, estimated to have affected about 400 devices in Australia since July 2025 and urging patching and hardening measures.
