Rui Miguel Feio (@rfeio) header
Rui Miguel Feio (@rfeio) profile picture

AVP of Mainframe IZOT Professional Services at BMC. Co-founder of https://xitter.gq/t.co/JZ28RArPo6 and Chairman of the Security Working Group at GS-UK.

UK
Joined July 2009
Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)Photo by Rui Miguel Feio (@rfeio)
An investigation into Artex AI reveals hacking tools, exposed servers, and reported breaches of South Korean banks, highlighting how AI-powered cybercrime is creating new threats to financial institutions. securityaffairs.com/202607/a…
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Attackers reportedly exploited a third-party provider to target French bank Crédit Mutuel Arkéa, highlighting how supply-chain vulnerabilities can expose financial institutions to serious security risks. securityaffairs.com/202628/c…
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OpenAI’s reported launch of GPT-6 Cyber highlights the growing role of advanced AI in cybersecurity, raising important questions about vulnerability discovery, defensive capabilities, and the risks of misuse. thehackernews.com/2026/11/op…
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Hackers have exploited the OpenSSH SSHole vulnerability, highlighting how weaknesses in widely trusted remote access tools can expose systems to compromise and reinforce the importance of timely patching. thehackernews.com/2026/11/ha…
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A reported $6.34 billion Binance attack involving fake job interviews and AI abuse highlights how sophisticated social engineering can exploit human trust and emerging technologies to compromise even major cryptocurrency platforms. securityaffairs.com/202369/c…
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Hackers have hijacked cpGuard’s automatic update mechanism to deploy a backdoor and steal data, highlighting how compromised software updates can turn trusted security tools into dangerous supply-chain attack vectors. bleepingcomputer.com/news/se…
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A practical reference to useful RACF, ACF2, and Top Secret commands, helping mainframe security administrators manage access, investigate security issues, and strengthen security administration across z/OS environments. ruifeio.com/2026/11/02/usefu…
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An invisible malicious SMS can reportedly disrupt calls and emergency services on vulnerable Android devices, highlighting how flaws in mobile communications can threaten both personal security and access to critical services. securityaffairs.com/202184/s…
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SYS1.BROADCAST #24 brings together the latest developments, insights, and perspectives from the mainframe world, keeping the community informed, connected, and engaged with the technologies and challenges shaping its future. linkedin.com/pulse/sys1bordc…
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A reported $6.3 billion cryptocurrency theft targeting Binance has been attributed to North Korean attackers, highlighting the scale of cyber-enabled financial crime and the growing security challenges facing digital asset platforms. securityaffairs.com/202119/c…
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A shared ChatGPT link could reportedly be exploited to trigger unintended actions, highlighting how AI integrations can introduce new security risks and why robust safeguards are essential to prevent abuse. thehackernews.com/2026/10/a-…
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Attackers are exploiting a critical Drupal Commerce Core vulnerability (CVE-2026-118539), highlighting the risks facing e-commerce platforms and the importance of timely patching to protect business operations and customer data.securityaffairs.com/202162/s…
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Polymarket users reportedly lost $2.7 million following a third-party script compromise, highlighting how vulnerabilities in external dependencies can expose digital platforms and their users to significant financial losses. hackread.com/polymarket-user…
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