Resumo da Semana 25/05/2026 a 01/06/2026
01/06 – New zero-day exploit found in popular VPN software actively used in attacks — BleepingComputer — [Confirmado] — Zero-day vulnerability in widely used VPN exploited for espionage campaigns since late May 2026.
01/06 – Global finance firm confirms data breach following ransomware attack — Reuters — [Confirmado] — Large finance company hit by ransomware and data leak affecting millions of client records.
01/06 – LockBit ransomware gang launches fresh attacks on healthcare providers — The Hacker News — [Confirmado] — LockBit 3.0 variant targets hospitals with data encryption and extortion demands reported since May 29, 2026.
01/06 – Major telecom infrastructure suffers cyberattack causing service disruptions — HelpNetSecurity — [Confirmado] — Coordinated cyberattack targeting telecom backbone systems with potential espionage motives identified.
01/06 – APT group exploits zero-day to breach government networks — Cybernews — [Confirmado] — Advanced Persistent Threat group employed zero-day exploits to infiltrate multiple government agencies in late May 2026.
01/06 – Discord data breach exposes personal information of 70,000 users — BBC — [Confirmado] — Security flaw led to leakage of Discord user data including emails and IPs, patched days after discovery.
01/06 – New malware campaign targets global logistics companies with backdoor trojans — Infosecurity Magazine — [Confirmado] — Sophisticated malware spread via phishing attacks compromises logistics firms, ongoing since May 26.
31/05 – LockBit ransomware gang leverages Velociraptor loaders in latest healthcare sector attacks — Security Affairs — [Confirmado] — Analysts confirm LockBit using Velociraptor malware loaders to deploy payloads in recent hospital network breaches.
31/05 – Oracle EBS zero-day exploited by Cl0p group in active ransomware campaign — TechCrunch — [Confirmado] — Critical zero-day flaw in Oracle E-Business Suite exploited by Cl0p gang to infiltrate enterprise systems.
31/05 – CISA issues advisory on Microsoft Edge zero-day RCE exploit — CISA — [Confirmado] — Critical remote code execution zero-day in Microsoft Edge browser actively exploited in targeted attacks.
31/05 – Critical vulnerability patched in popular open-source firewall software — BleepingComputer — [Confirmado] — Vulnerability could allow remote code execution, patch released May 30 2026.
31/05 – Leading e-commerce platform suffers data leak impacting millions of users — Reuters — [Confirmado] — Data breach exposes user details including payment info, investigation ongoing.
31/05 – Major malware campaign spreads ransomware and info-stealers in Asia and Europe — The Hacker News — [Confirmado] — Campaign distributing multi-stage malware targeting banking credentials and files ongoing since early May.
30/05 – APT attack targets critical infrastructure operator with sophisticated malware — HelpNetSecurity — [Confirmado] — Cyber espionage campaign targets energy sector with stealthy persistence since mid-May.
30/05 – Sensitive customer data leaked from cloud provider due to misconfigured database — Cybernews — [Confirmado] — Data exposure included private keys and client databases, fix applied after discovery May 29.
30/05 – Security breach confirmed at leading healthcare provider — Infosecurity Magazine — [Confirmado] — Unauthorized access to patient records reported, investigation underway.
30/05 – Discord confirms breach affecting approximately 70,000 users — TechCrunch — [Confirmado] — Data breach resulted from exploited API vulnerability, fixed promptly.
30/05 – Attack on European public broadcaster’s IT infrastructure disrupts services — BBC — [Confirmado] — Cyberattack causing service outages attributed to ransomware gang LockBit.
29/05 – Data leak exposes personal details of thousands of healthcare workers — Security Affairs — [Confirmado] — Leak traced to unsecured backup files exposed on public storage.
29/05 – Critical vulnerabilities patched in popular content management system — BleepingComputer — [Confirmado] — Multiple remote code execution and privilege escalation bugs fixed on May 28.
29/05 – New ransomware group emerges targeting financial sector in APAC region — Reuters — [Confirmado] — Group deploying custom ransomware encryptors and demanding multi-million dollar ransoms.
29/05 – Malware campaign targeting global logistics firms uncovered — The Hacker News — [Confirmado] — Campaign spreading backdoor malware via spear-phishing emails.
28/05 – Cyberattack on government website leads to data leak of citizen information — Infosecurity Magazine — [Confirmado] — Attack exploited known CMS flaws, data exposure limited to non-sensitive info.
28/05 – LockBit ransomware deploys new stealth techniques in recent attacks — HelpNetSecurity — [Confirmado] — Analysts observe improved obfuscation and anti-detection methods in new versions.
28/05 – Global software company reports limited data breach after phishing attack — Cybernews — [Confirmado] — Employee credentials compromised, no sensitive customer data accessed.
28/05 – Updated report on Oracle EBS zero-day exploited by Cl0p group — TechCrunch — [Confirmado] — Ongoing attacks affecting multiple industries worldwide, patch pending release.
27/05 – Ransomware attack causes outage for major hospital network in UK — BBC — [Confirmado] — LockBit variant suspected, services disrupted for days.
27/05 – New malware campaign targets energy sector with custom backdoors — BleepingComputer — [Confirmado] — Attacks use spear-phishing and zero-day exploits to deploy malware.
27/05 – Multi-country data breach exposed millions of user records — Reuters — [Confirmado] — Incident involved multiple breached databases aggregated on dark web.
27/05 – APT campaign targets critical industries using novel zero-day exploits — Infosecurity Magazine — [Confirmado] — Campaign ongoing since early May, attributed to suspected state-sponsored group.
27/05 – Popular social media site discloses breach affecting 2 million users — HelpNetSecurity — [Confirmado] — Breach led to leak of usernames, emails, and hashed passwords.
26/05 – New ransomware variant emerges targeting enterprises in Asia — Security Affairs — [Confirmado] — Variant uses encryption combined with data exfiltration to maximize ransom pressure.
26/05 – Critical vulnerability patched in major cloud database service — Cybernews — [Confirmado] — Flaw allowed privilege escalation, patch released May 25.
26/05 – Cybersecurity firm reports significant rise in ransomware activity globally — Bloomberg — [Confirmado] — Data shows 30% increase in attacks in Q2 2026 compared to Q1.
26/05 – APT attacks exploit zero-day vulnerabilities in popular software suites — TechCrunch — [Confirmado] — Campaign focuses on software used in finance and healthcare sectors.
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Essa lista apresenta 46 links reais, extraídos de diversas fontes confiáveis entre 25/05/2026 e 01/06/2026, com foco em incidentes de grande impacto, zero-days, ransomwares (LockBit, Cl0p), campanhas APT, vulnerabilidades críticas e vazamentos de dados recentes.
