SecurityBrief Australia - Technology news for CISOs & cybersecurity decision-makers

Threat actors stories

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Team Cymru launches Total Insights Feeds for threat data

Today
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malware
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network security
Team Cymru unveils Total Insights Feeds, a single-stream threat intelligence framework blending internet-wide scoring, context and automated risk tagging.
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Ransomware activity stays high as new groups surge

Yesterday
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ransomware
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GuidePoint says ransomware attacks stayed elevated in Q1 as The Gentlemen surged, construction became a top target and extortion-only tactics spread.
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Former Black Basta affiliates target executives in Teams

2 days ago
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mfa
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phishing
ReliaQuest says suspected former Black Basta operators are bombarding staff with emails and posing as IT support in Microsoft Teams to reach senior executives.
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Proofpoint flags mailbox rule abuse in Microsoft 365

2 days ago
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edutech
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mfa
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cloud security
Proofpoint says mailbox rule abuse is becoming a routine Microsoft 365 takeover tactic, helping attackers hide alerts, hijack threads and drive fraud.
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Synack launches Glasswing readiness test for attack gaps

4 days ago
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firewalls
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devops
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digital transformation
Synack launches AI-driven assessment to expose overlooked attack surface gaps as offensive tools speed up vulnerability discovery.
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Booking.com warns some customers of possible data exposure

5 days ago
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data protection
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endpoint protection
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mfa
Booking.com tells some customers to watch for phishing after suspicious activity exposed reservation details, contact data and messages linked to bookings.
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AI bots overwhelm identity controls in Australia & NZ

5 days ago
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data protection
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devops
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hybrid cloud
AI-driven bots and machine accounts are exposing long-running identity security gaps across Australian and New Zealand organisations, experts warn.
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TCCA urges standards push on critical broadband security

Last week
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network security
TCCA urges industry to align on international standards as 4G and 5G broadband systems expand the cyber risk for mission critical communications.
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China-aligned TA416 resumes spying on EU & Mideast

Last week
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phishing
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email security
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cybersecurity
China-linked TA416 returns to spying on European diplomats and later expands attacks to Middle Eastern government targets after Iran conflict.
Vulnetix

Vulnetix named Australia's first global CVE authority

Last week
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malware
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digital transformation
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cloud security
Vulnetix expands AI coding defences as Australia's first Global CVE Numbering Authority, opening vulnerability tools to developers nationwide.
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Cloudflare, WatchGuard warn cloud security assumptions fail

Last week
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firewalls
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digital transformation
Cloudflare and WatchGuard urge organisations to rethink cloud defences as rising identity attacks, AI risks and quantum threats expose weak spots.
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Firms warned on ransomware amid backup & AI sprawl

This month
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data protection
Experts warn firms must improve visibility and backup resilience as automated ransomware campaigns and hidden SaaS and AI assets widen exposure.
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Entrust and Chillisoft partner to kick cybersecurity goals

Last month
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firewalls
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network security
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mfa
Entrust joins forces with Chillisoft to bolster ANZ cyber defences, blending identity, education and quantum-ready security expertise.
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North Korean operatives target Australian jobs, DTEX warns

Last month
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advanced persistent threat protection
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physical security
DTEX warns North Korean operatives are using false identities to secure Australian tech jobs, with some applicants aided by AI and deepfakes.
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Web attacks in EMEA hit two-year high, Akamai warns

Last month
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firewalls
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digital transformation
Akamai says attack volumes in Europe, the Middle East and Africa climbed 36% year on year as APIs and automated DDoS campaigns fuel a sharp surge.
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World Backup Day warnings over ransomware resilience gaps

Last month
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data protection
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ransomware
Cybersecurity experts say many firms are still relying on fragmented backup tools and untested recovery plans as ransomware attacks and cloud complexity surge.
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Gcore sees DDoS attacks surge to 1.3 million in Q4

Last month
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gaming
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ddos
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network infrastructure
Gcore warns DDoS attacks hit 1.3 million in late 2025 as brief, high-volume floods and longer app assaults expose more sectors to risk.
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Phishing surge targets Gulf after Iran-Israel tensions

Last month
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Bitdefender reports a 130% jump in phishing and malware activity across Gulf markets, with fake invoices and banking lures driving attacks.
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Ransomware attacks fall as CL0P & The Gentlemen surge

Last month
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Qilin keeps top spot as ransomware incidents drop 8% in February, while CL0P and The Gentlemen post sharp gains and new AI risks emerge.
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CrowdStrike flags faster AI-driven cyber attacks worldwide

Last month
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ransomware
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cloud security
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phishing
AI-fuelled cyber attacks are spreading faster worldwide, CrowdStrike warns, as breakout times plummet and criminals weaponise mainstream tools.