Shield: Microsoft 365 Zero Trust Email Security That Just Works
Best Email Security Services for Businesses
At Obsidian IT, we’re always looking for ways to protect and strengthen our clients’ businesses. That’s why we’re proud to offer Shield by Mailprotector, a comprehensive cyber security solution designed to safeguard organizations against the financial and operational risks of cyberattacks. Shield provides coverage that goes beyond traditional policies, combining financial protection with expert response services to help businesses recover quickly and confidently. By making Shield available to our clients, Obsidian IT ensures you have both the strategies to prevent threats and the support to overcome them if they occur.
-
Shield applies a zero trust model to email that minimizes exposure and turns risk analytics into simple decisions. Every message includes a Heads-Up Display with color signals that summarize safety at a glance. Green indicates safe and trusted contacts are delivered directly to the inbox. Yellow flags lower-risk factors such as bulk mail from unfamiliar senders that are routed to junk. Orange highlights moderate risk like spam that goes to junk even if the sender is known. Red marks high-risk factors such as impersonation, which are typically held outside the mailbox entirely. For new senders, Shield provides an extra banner with region insights so users can quickly decide whether to interact. These cues condense complex checks into understandable guidance, helping people act confidently without becoming analysts.
Clicking the Heads-Up Display opens Shield’s X-ray inspector in a safe preview environment. X-ray reveals what looks good or bad about a message, where it originated, and what is inside, all explained in everyday language rather than jargon. Users authenticate once with their Microsoft credentials, then can review risky content without triggering malicious code or links. This approach lets non-experts validate a message before they click, reply, or download, which is where most incidents begin.
-
When someone emails you for the first time, Shield treats it like a permissioned network. Users can Trust a sender to allow future mail or Silence them to keep messages out. If you prefer to stay inside the mail client, moving a message from junk to inbox trains Shield to allow it going forward. Deleting unwanted new-sender messages from junk silences them. These one-time decisions reduce noise over time and teach the system your preferences so your inbox fills with what matters and blocks what does not.
Shield learns from your normal actions. As you reply to important messages, delete unwanted ones, and respond to new-sender prompts, it builds a personalized profile that increasingly automates filtering. You also receive a daily Email Security Briefing that highlights new senders awaiting review and summarizes how Shield is defending your mailbox, so you never lose track of what needs attention. Spotlight search helps you find any message across folders fast, then safely preview it in X-ray and move it if needed. Most users notice fewer distractions and greater confidence in under a week as the system adapts.
-
Integrating Shield into your business is simple. Familiarize your team with the color banners in the Heads-Up Display. During the first few days, ask users to check junk for legitimate mail and drag wanted messages to the inbox. Encourage them to use the new-sender banner to Trust or Silence unfamiliar contacts. By the end of the first week, the system will have learned enough to handle most decisions automatically, while daily briefings keep everyone informed. Your IT team stays available to answer questions, but the workflow remains inside tools users already know.
-
Track leading and lagging indicators. Leading signals include the percentage of users with green HUD messages, time-to-decision on new senders, and reductions in junk volume delivered to inboxes. Monitor how often X-ray is used before interacting with unknown messages and how quickly users respond to daily briefings. Lagging indicators include phishing click-through rates, credential prompts blocked, incident response time, and the number of claims or losses avoided. Over time, you should see fewer high-risk messages reaching people, faster triage, and lower overall exposure.
-
If you are ready to cut through the noise and give your team the right signals at the right time, schedule a quick conversation. Obsidian IT can deploy Shield, align it with your Microsoft 365 environment, and train your staff to trust or silence new senders, inspect questionable messages with X-ray, and rely on daily briefings to stay informed. You get fewer distractions, stronger decisions, and a measurable drop in email-borne risk, without asking employees to become experts.
The Hidden Dangers of Email Phishing and How to Protect Your Business
What Makes Modern Email Phishing So Dangerous For Businesses?
Email remains the top initial access vector for attackers because it targets people, not just systems. Today’s phishing is far more than a misspelled request for gift cards. Criminals run playbooks that combine social engineering with technical tricks to bypass filters and convince a busy employee to click, sign in, or wire funds. They register throwaway domains that look legitimate, mimic vendor invoices inside ongoing threads, and abuse trusted cloud apps to host fake login pages. They also time campaigns for lunch hours or late afternoons when attention drops. The result is a blended threat that rides on authentic-looking context, passes basic security checks, and creates just enough urgency to trigger a mistake.
Which Phishing Techniques Are Costing Companies The Most?
Business email compromise remains one of the most expensive scams because it exploits trust in known relationships. Attackers monitor threads, then insert a plausible request to change routing details or approve a payment. Thread hijacking raises the success rate because the message sits inside a real conversation. MFA fatigue attacks bombard users with push notifications until one gets approved. Consent phishing tricks a user into granting an attacker’s app access to email and files without any password theft at all. QR phishing places a scannable code inside a PDF or printed notice to hop devices and evade email link scanners. Each of these techniques targets human workflow, not just technology, which is why layered controls and clear user signals are essential.
How Do Scammers Bypass Traditional Email Security Filters?
Sophisticated campaigns abuse legitimate infrastructure. They use compromised accounts at real companies, so messages originate from reputable IPs with valid SPF and DKIM. They host lures on cloud platforms that your organization already allows. They register domains with lookalike characters or recently created but clean reputations. Finally, they avoid obvious payloads. Instead of malware attachments, they pivot you to a single sign-on prompt or a fake voicemail page that harvests credentials. Traditional filtering catches the noisy stuff. Targeted phishing relies on authenticity theater, which requires deeper signals and user-aware defenses to stop.
How Can Employees Spot A Phishing Attempt?
Cyber security awareness helps, but forcing everyone to parse headers and domain records is unrealistic. What works is turning complex risk signals into glanceable guidance at the moment of decision. Clear visual cues about sender trust, message origin, and unusual characteristics reduce cognitive load. A safe way to inspect suspicious content without detonating the trap prevents costly mistakes. Streamlined choices for unknown senders create consistent behavior. The more your environment translates technical evidence into plain language and obvious actions, the fewer opportunities attackers have to exploit uncertainty.
