SecurityBrief UK - Technology news for CISOs & cybersecurity decision-makers
United Kingdom

Malicious Insiders Stories

UK Stories

Malicious Insiders stories

Global Stories

Malicious Insiders stories

'Human Risk' takes centre stage - Mimecast CEO
Data Protection

'Human Risk' takes centre stage - Mimecast CEO

Mimecast chief warns human risk is now cybersecurity's 'eighth layer' as malicious insiders overtake negligence in Australian attacks.

By Donovan Jackson • 4 min read • Wed, 25th Mar 2026
CrowdStrike adds AI security tools & Microsoft SIEM link
Data Protection

CrowdStrike adds AI security tools & Microsoft SIEM link

CrowdStrike beefs up Falcon with new AI security controls and links its Next-Gen SIEM to Microsoft Defender to tame sprawling AI estates.

By Sofiah Nichole Salivio • 4 min read • Tue, 24th Mar 2026
Insider risk costs soar as AI reshapes workplace data
Data Protection

Insider risk costs soar as AI reshapes workplace data

Insider risk now costs organisations an average USD $19.5 million a year as AI reshapes data access and employee negligence drives losses.

By Mark Tarre • 5 min read • Wed, 25th Feb 2026
NCC warns of surge in ransomware & insider threats
Ransomware

NCC warns of surge in ransomware & insider threats

NCC flags fourth straight monthly rise in ransomware attacks and growing efforts by major gangs to recruit insiders and cyber staff.

By Catherine Knowles • 3 min read • Fri, 30th Jan 2026
Ransomware gangs step up insider recruitment, says NCC
Data Protection

Ransomware gangs step up insider recruitment, says NCC

Ransomware gangs are stepping up efforts to recruit insiders, warns NCC Group, as December 2025 attacks jump 13% to 784 globally.

By Mark Tarre • 4 min read • Fri, 30th Jan 2026
OWASP unveils first Top 10 risks for agentic AI use
Data Protection

OWASP unveils first Top 10 risks for agentic AI use

OWASP has launched its first Top 10 list for agentic AI, warning autonomous systems act as a powerful but risky new digital workforce.

By Sean Mitchell • 4 min read • Fri, 9th Jan 2026
Human-linked cyber incidents surge as AI use grows
Endpoint Protection

Human-linked cyber incidents surge as AI use grows

Human-linked cyber incidents have surged 90% as AI embeds deeper in workplaces, with security leaders warning of rising email and deepfake attacks.

By Melania Watson • 4 min read • Thu, 11th Dec 2025
NTT DATA & Rubrik enhance global ransomware protection
Endpoint Protection

NTT DATA & Rubrik enhance global ransomware protection

NTT DATA and Rubrik have unveiled a global partnership to bolster ransomware protection for Fortune 500 firms, enhancing cyber recovery services and resilience.

By Melania Watson • 2 min read • Tue, 25th Mar 2025
DeepSeek's rise: Navigating the AI data and security challenge in Australia
Data Protection

DeepSeek's rise: Navigating the AI data and security challenge in Australia

DeepSeek, a Chinese AI startup, has surged to 3 million downloads in Australia, prompting concerns over data privacy, national security and misuse.

By Steve Moros • 6 min read • Tue, 11th Feb 2025
Zendesk exploit allows phishing scams, CloudSEK reports
Endpoint Protection

Zendesk exploit allows phishing scams, CloudSEK reports

CloudSEK's latest report reveals how cybercriminals exploit Zendesk's subdomain feature to create convincing phishing scams, risking brand trust and security.

By Catherine Knowles • 3 min read • Wed, 22nd Jan 2025
CrowdStrike unveils new services to combat insider threats
Endpoint Protection

CrowdStrike unveils new services to combat insider threats

CrowdStrike unveils its Insider Risk Services, a new strategy to tackle insider threats, amid rising costs of USD $16.2 million for organisations.

By Shannon Williams • 2 min read • Tue, 21st Jan 2025
CrowdStrike launches new service to combat insider threats
Endpoint Protection

CrowdStrike launches new service to combat insider threats

CrowdStrike has unveiled its Insider Risk Services, designed to tackle the rising costs of insider threats averaging USD $16.2 million annually.

By Imee Dequito • 2 min read • Thu, 16th Jan 2025
Open source software challenges predicted to continue in 2025
Endpoint Protection

Open source software challenges predicted to continue in 2025

Chris Hughes predicts that open source software adoption will grow in 2025, alongside sophisticated attacks and challenges in governance and security.

By Catherine Knowles • 3 min read • Sun, 5th Jan 2025
Businesses face $2.58 million in losses per hour from bots
Endpoint Protection

Businesses face $2.58 million in losses per hour from bots

Cequence warns businesses could face average losses of USD $2.58 million per hour this December due to surging malicious bot traffic and fraud.

By Catherine Knowles • 2 min read • Fri, 20th Dec 2024
Open source malware up 156%, Sonatype research shows
Malware

Open source malware up 156%, Sonatype research shows

Sonatype's latest research reveals a shocking rise in open source malware, with over 778,500 malicious packages detected in 2024, primarily affecting government organisations.

By Catherine Knowles • 2 min read • Fri, 13th Dec 2024
Tenable discovers vulnerabilities in IaC & PaC platforms
Malware

Tenable discovers vulnerabilities in IaC & PaC platforms

Tenable's Cloud Security Research team has uncovered critical vulnerabilities in policy-as-code frameworks, escalating risks of data breaches and leaks.

By Imee Dequito • 2 min read • Thu, 21st Nov 2024

Stories from Other Regions

Malicious Insiders stories

Insider threats: Protecting what matters most from within
Endpoint Protection

Insider threats: Protecting what matters most from within

Insider threats cost organisations USD $17.4 million annually; Gallagher Security urges a people-first approach to protect assets from within.

By Content Team • 3 min read • Mon, 1st Sep 2025