As January 2026 comes to a close, The Cyber Express takes a comprehensive look at the events defining the global cybersecurity landscape. Over the past week, organizations worldwide faced high-profile cyberattacks, emerging threats in AI and ad fraud, critical software vulnerabilities, and intensifying regulatory scrutiny affecting both public and private sectors.
This week’s coverage highlights significant attacks on Russian and U.S. companies, the discovery of advanced post-exploitation frameworks, trends in EU data breach reporting, and actionable guidance for brands to enhance privacy, security, and compliance in an increasingly complex digital ecosystem.
The Cyber Express Weekly Roundup
Cyberattack Hits Russian Security Firm Delta
On January 26, 2026, Delta, a Russian alarm and vehicle security provider, suffered a major cyberattack, disrupting alarms, vehicle systems, and company communications for tens of thousands of customers. While no confirmed customer data breach occurred, an unverified leak circulated online. Read more…
Ad Fraud and Data Privacy: Brands Must Act Now
Ad fraud is escalating, costing the digital advertising industry billions and eroding consumer trust. Experts like Dhiraj Gupta of mFilterIt emphasize that brands can no longer rely on platform-reported metrics alone. Independent verification, real-time audits, and continuous monitoring of data flows are now essential to ensure privacy, enforce purpose limitations, and maintain accountability across complex advertising ecosystems. Read more…
Ivanti Patches Critical Mobile Manager Zero-Days
Ivanti released emergency fixes for two critical zero-day code injection vulnerabilities (CVE-2026-1281 and CVE-2026-1340) in Endpoint Manager Mobile. These flaws allow attackers to execute arbitrary code, access sensitive device and user data, and track locations. CISA added CVE-2026-1281 to its KEV catalog with a two-day remediation deadline for federal agencies. Read more…
Cyble Discovers ShadowHS, a Stealthy Linux Post-Exploitation Framework
Cyble Research & Intelligence Labs uncovered ShadowHS, a fileless, in-memory Linux framework providing attackers with long-term, operator-controlled access. ShadowHS uses AES-encrypted payloads and stealthy memory execution to evade traditional antivirus software, enabling credential theft, lateral movement, privilege escalation, cryptomining, and covert data exfiltration. Read more…
EU Data Breach Notifications Rise Amid GDPR Reform Talks
Data breach notifications in the EU surged 22% over the past year, averaging over 400 per day. GDPR fines remained high at approximately €1.2 billion in 2025. Discussions on the Digital Omnibus legislation highlight a need to balance efficiency in reporting with protecting fundamental privacy rights amid NIS2, DORA, and ongoing cybersecurity threats. Read more…
New Cyberattacks Target U.S. Companies
Several U.S. companies, including Bumble, Panera, Match Group, and CrunchBase, faced phishing and vishing attacks against employees. Bumble reported brief unauthorized access to a small portion of its network, while other firms experienced limited exposure. The ShinyHunters hacking group claims responsibility and has issued extortion demands, emphasizing social engineering as a growing threat to high-profile organizations. Read more…
Weekly Takeaway
The last week of January 2026 stresses that cybersecurity is no longer just a technical concern. From attacks on critical infrastructure in Russia to post-exploitation Linux frameworks, ad fraud, and regulatory scrutiny in the EU, organizations must combine technology, governance, and proactive monitoring to protect data, trust, and operations.