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

Instant Messaging (IM) stories

Flux result 3562f078 dcc4 4235 9a17 f410b633d1b8

Custodia warns of AI record-keeping risk in finance

This month
#
uc
#
risk & compliance
#
genai
Custodia says financial firms must widen record-keeping to cover collaboration tools, messaging apps and AI-generated content as regulators step up scrutiny.
Openai gpt 5.3 instant

OpenAI unveils GPT-5.3 Instant with fewer refusals

Last month
#
martech
#
personalisation
#
cdp
OpenAI unveils GPT-5.3 Instant, promising smoother, more direct ChatGPT conversations, fewer refusals and improved accuracy on web-sourced facts.
Whatsapp strict account settings header

WhatsApp unveils lockdown mode for high-risk users

Wed, 28th Jan 2026
#
data protection
#
surveillance
#
encryption
WhatsApp launches Strict Account Settings, a lockdown mode offering tighter privacy and security for journalists and other high‑risk users.
Office pc social network warning suspicious file download cursor

LinkedIn DMs abused to spread Python-based malware

Wed, 21st Jan 2026
#
firewalls
#
endpoint protection
#
devops
Attackers are abusing LinkedIn private messages to deliver Python-based malware via booby-trapped archives, ReliaQuest has warned.
Realistic digital shield protecting email envelope cyber threats cloud icons

Varonis acquires SlashNext for up to USD $150 million to boost AI email security

Fri, 5th Sep 2025
#
uc
#
hybrid cloud
#
cloud security
Varonis has acquired AI-driven email security firm SlashNext for up to USD $150 million, enhancing its threat detection across emails and messaging platforms.
Shield enveloping cloud with digital emails chat circuitry protection

Hornetsecurity launches AI cyber assistant for Microsoft 365

Fri, 20th Jun 2025
#
uc
#
semiconductors
#
cloud security
Hornetsecurity unveils an AI Cyber Assistant within 365 Total Protection Plan 4 to boost Microsoft 365 security with automated email and Teams threat defence.
Techday f 16bc8b47f90fe7a94330

TP report shows Gen Z prefer interactive communication

Fri, 4th Apr 2025
#
cx
#
martech
#
digital engagement
A new report from TP reveals that Generation Z favours interactive communication, posing challenges for businesses catering to this tech-savvy cohort.