Identity has become a primary security boundary for most organizations, reducing the ability to solely trust other boundaries once associated with corporate networks. Users authenticate to cloud services using enterprise identities that provide access to collaboration platforms, business applications and sensitive data. With the adoption of software-as-a-service (SaaS) on the rise, people are shifting to platforms for communication and collaboration.
Threat actors have adapted to this shift. In addition to typical email-based phishing, attackers increasingly misuse trusted collaboration platforms to conduct identity phishing, impersonation, credential theft, malware delivery and social engineering. Over the last 12 months, our endpoint alerts of malicious activity associated with collaboration tools have more than quadrupled, as Figure 1 shows. This activity could involve compromised accounts, external federated organizations, guest accounts or trusted third-party relationships. In each case, the attackers seek to exploit the trust that people place in enterprise communication platforms.
Read more…
Source: Palo Alto Unit 42
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Hungary: Nearly 800 state logins surfaced in breach data, including defense and NATO-linked accounts
April 11, 2026
Hungary’s government has discovered the hard way that the biggest threat to national security might just be its own password choices. An investigation by Bellingcat has uncovered close to 800 Hungarian government email and password pairings circulating in breach dumps, cutting across nearly every major ministry, from defense and foreign affairs to finance. This doesn’t look ...
- FBI Atlanta, Indonesian Authorities Take Down Global Phishing Network Behind Millions in Fraud Attempts
April 10, 2026
In a first-of-its-kind joint cyber investigation, the FBI Atlanta Field Office and Indonesian law enforcement authorities have dismantled a sophisticated global phishing operation that enabled cybercriminals to steal thousands of victims’ account credentials and attempt more than $20 million in fraud. The operation centered on the W3LL phishing kit, a widely used cybercrime tool that allowed ...
- CPU-Z, HWMonitor watering hole infection – a copy-pasted attack
April 10, 2026
On April 9, 2026, the website cpuidcom, hosting installers for popular system administration software CPU-Z, HWMonitor (HWMonitor Pro) and Perfmonitor 2, was compromised. Kaspersky researchers observed that starting from approximately April 9, 15:00 UTC, until about April 10, 10:00 UTC, the legitimate download URLs for installers of that software have been replaced with URLs to the ...
- ClickFix finds a new way to infect Macs
April 10, 2026
ClickFix campaigns are looking for alternatives now that many Mac users have been made aware of the dangers of pasting certain commands into Terminal. Researchers found that ClickFix has kept the same social engineering playbook but completely sidestepped Terminal by using the applescript:// URL scheme to auto‑open Script Editor with a ready‑to‑run script that pulls Atomic ...
- Hacker stole £700,000 from UK energy company by redirecting payment
April 9, 2026
British oil and gas company Zephyr Energy says someone stole £700,000 (close to $1 million) from one of its U.S.-based subsidiaries by redirecting a payment meant for a contractor into a hacker-controlled account. In a regulatory filing with the London Stock Exchange on Thursday, the company said it is “working with the corresponding banks and ...
- What Project Glasswing Means for Security Leaders
April 9, 2026
Anthropic’s Project Glasswing matters because it offers an early look at how quickly software flaws may soon be found, validated, and potentially turned into viable attack paths, even if that capability is currently limited to a closed partner program. Anthropic says its restricted Claude Mythos Preview model has already identified thousands of high-severity vulnerabilities, including flaws ...

