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#APT28

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Microsoft OWA Exploit: Russian Hackers Bypass Credential Rotations
HIGH
Threat Intel

Microsoft OWA Exploit: Russian Hackers Bypass Credential Rotations

Russian threat actors exploit a Microsoft Outlook Web Access (OWA) flaw to maintain persistent mailbox access even after passwords are changed or rotated.

Runtime Rebel Intel
4 min read·Jul 30, 2026
TH
CRITICAL
Threat Intel

APT28 Exploits Exchange OWA Zero-Day to Deploy OWAReaper Backdoor

Russian APT28 hackers exploit an Exchange OWA zero-day to deploy the OWAReaper backdoor, gaining persistent access to high-value government mailboxes.

Runtime Rebel Intel
4 min read·Jul 30, 2026
Russian APT Exploits Zimbra Zero-Day to Exfiltrate Mail and 2FA Codes
CRITICAL
Threat Intel

Russian APT Exploits Zimbra Zero-Day to Exfiltrate Mail and 2FA Codes

Russian state-supported actors leveraged a Zimbra Zero-Day to steal 90 days of email history and bypass security by exfiltrating 2FA recovery codes.

Runtime Rebel Intel
3 min read·Jul 23, 2026
TH
CRITICAL
Threat Intel

Zimbra Zero-Click Exploitation by Russian APT for Email Theft

CISA warns of Russian APT Laundry Bear (Void Blizzard) exploiting a patched Zimbra zero-click flaw combined with phishing to compromise email servers for data

Runtime Rebel Intel
3 min read·Jul 23, 2026
SU
CRITICAL
Supply Chain

Sandworm's AI Toolchain Threat: Detecting SANDWORM_MODE

Analyzing Sandworm's potential to compromise AI/ML supply chains via the 'SANDWORM_MODE' attack method, focusing on detection and mitigation strategies.

Runtime Rebel Intel
5 min read·Jul 21, 2026
UK and EU Sanction Russian APTs Over Critical Infrastructure Attacks
HIGH
Threat Intel

UK and EU Sanction Russian APTs Over Critical Infrastructure Attacks

Recent UK and EU sanctions target Russian intelligence services following persistent cyber operations against government entities and critical infrastructure.

Runtime Rebel Intel
3 min read·Jul 14, 2026
TH
MEDIUM
Threat Intel

EU Sanctions Russian Intel Officers for APT28 Cyber Operations

The EU imposes sanctions on Russian GRU officers linked to APT28 for long-term cyber espionage and sabotage targeting government and infrastructure.

Runtime Rebel Intel
3 min read·Jul 13, 2026
TH
HIGH
Threat Intel

Russian APTs Target Critical Infrastructure via Edge Device Exploits

US and allies warn of Russian state-sponsored actors targeting edge devices to infiltrate critical infrastructure. Learn how to mitigate these threats.

Runtime Rebel Intel
3 min read·Jul 13, 2026
CVE-2023-38831: Russian APTs Target Ukraine via WinRAR Flaw
HIGH
Threat Intel

CVE-2023-38831: Russian APTs Target Ukraine via WinRAR Flaw

Russian threat actors are exploiting the CVE-2023-38831 WinRAR vulnerability to target Ukrainian government and military entities for data theft.

Runtime Rebel Intel
3 min read·Jun 9, 2026
VU
CRITICAL
Vulnerabilities

APT28 Exploits Incomplete Windows Patch: Zero-Click Attacks Persist

An incomplete Windows patch leaves systems vulnerable to zero-click attacks. Russia-linked APT28 exploited this against Ukraine and EU. Learn how to defend.

Runtime Rebel Intel
4 min read·Apr 27, 2026
APT28 Analysis: Mitigation Strategies Against Fancy Bear Campaigns
HIGH
Threat Intel

APT28 Analysis: Mitigation Strategies Against Fancy Bear Campaigns

A technical analysis of APT28's global operations, highlighting the necessity of Zero Trust and rapid patching to counter Fancy Bear threat activity.

Runtime Rebel Intel
3 min read·Apr 10, 2026
APT28 Forest Blizzard DNS Manipulation Targets SOHO Routers
CRITICAL
Threat Intel

APT28 Forest Blizzard DNS Manipulation Targets SOHO Routers

Russian APT28, or Forest Blizzard, is conducting malwareless cyber espionage by manipulating DNS settings on vulnerable SOHO routers to steal credentials from global

Runtime Rebel Intel
5 min read·Apr 9, 2026